{"id":948,"date":"2022-05-28T22:58:52","date_gmt":"2022-05-28T14:58:52","guid":{"rendered":"http:\/\/blog.xtaa.cn\/?p=948"},"modified":"2022-05-28T22:58:52","modified_gmt":"2022-05-28T14:58:52","slug":"%e5%b8%b8%e7%94%a8%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"http:\/\/blog.xtaa.cn\/index.php\/2022\/05\/28\/%e5%b8%b8%e7%94%a8%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%a4%a7%e5%85%a8\/","title":{"rendered":"\u5e38\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5927\u5168"},"content":{"rendered":"\n

\u4e00\u3001\u6821\u9a8c\u6570\u5b57\u7684\u8868\u8fbe\u5f0f<\/a><\/h2>\n\n\n\n

1. \u6570\u5b57\uff1a^[0-9]*$<\/p>\n\n\n\n

2. n\u4f4d\u7684\u6570\u5b57\uff1a^\\d{n}$<\/p>\n\n\n\n

3. \u81f3\u5c11n\u4f4d\u7684\u6570\u5b57\uff1a^\\d{n,}$<\/p>\n\n\n\n

4. m-n\u4f4d\u7684\u6570\u5b57\uff1a^\\d{m,n}$<\/p>\n\n\n\n

5. \u96f6\u548c\u975e\u96f6\u5f00\u5934\u7684\u6570\u5b57\uff1a^(0|[1-9][0-9]*)$<\/p>\n\n\n\n

6. \u975e\u96f6\u5f00\u5934\u7684\u6700\u591a\u5e26\u4e24\u4f4d\u5c0f\u6570\u7684\u6570\u5b57\uff1a^([1-9][0-9]*)+(.[0-9]{1,2})?$<\/p>\n\n\n\n

7. \u5e261-2\u4f4d\u5c0f\u6570\u7684\u6b63\u6570\u6216\u8d1f\u6570\uff1a^(\\-)?\\d+(\\.\\d{1,2})?$<\/p>\n\n\n\n

8. \u6b63\u6570\u3001\u8d1f\u6570\u3001\u548c\u5c0f\u6570\uff1a^(\\-|\\+)?\\d+(\\.\\d+)?$<\/p>\n\n\n\n

9. \u6709\u4e24\u4f4d\u5c0f\u6570\u7684\u6b63\u5b9e\u6570\uff1a^[0-9]+(.[0-9]{2})?$<\/p>\n\n\n\n

10. \u67091~3\u4f4d\u5c0f\u6570\u7684\u6b63\u5b9e\u6570\uff1a^[0-9]+(.[0-9]{1,3})?$<\/p>\n\n\n\n

11. \u975e\u96f6\u7684\u6b63\u6574\u6570\uff1a^[1-9]\\d*$ \u6216 ^([1-9][0-9]*){1,3}$ \u6216 ^\\+?[1-9][0-9]*$<\/p>\n\n\n\n

12. \u975e\u96f6\u7684\u8d1f\u6574\u6570\uff1a^\\-[1-9][]0-9″*$ \u6216 ^-[1-9]\\d*$<\/p>\n\n\n\n

13. \u975e\u8d1f\u6574\u6570\uff1a^\\d+$ \u6216 ^[1-9]\\d*|0$<\/p>\n\n\n\n

14. \u975e\u6b63\u6574\u6570\uff1a^-[1-9]\\d*|0$ \u6216 ^((-\\d+)|(0+))$<\/p>\n\n\n\n

15. \u975e\u8d1f\u6d6e\u70b9\u6570\uff1a^\\d+(\\.\\d+)?$ \u6216 ^[1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0$<\/p>\n\n\n\n

16. \u975e\u6b63\u6d6e\u70b9\u6570\uff1a^((-\\d+(\\.\\d+)?)|(0+(\\.0+)?))$ \u6216 ^(-([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*))|0?\\.0+|0$<\/p>\n\n\n\n

17. \u6b63\u6d6e\u70b9\u6570\uff1a^[1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*$ \u6216 ^(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*))$<\/p>\n\n\n\n

18. \u8d1f\u6d6e\u70b9\u6570\uff1a^-([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*)$ \u6216 ^(-(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*)))$<\/p>\n\n\n\n

19. \u6d6e\u70b9\u6570\uff1a^(-?\\d+)(\\.\\d+)?$ \u6216 ^-?([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0)$<\/p>\n\n\n\n

<\/a>\u4e8c\u3001\u6821\u9a8c\u5b57\u7b26\u7684\u8868\u8fbe\u5f0f<\/h2>\n\n\n\n

1. \u6c49\u5b57\uff1a^[\\u4e00-\\u9fa5]{0,}$<\/p>\n\n\n\n

2. \u82f1\u6587\u548c\u6570\u5b57\uff1a^[A-Za-z0-9]+$ \u6216 ^[A-Za-z0-9]{4,40}$<\/p>\n\n\n\n

3. \u957f\u5ea6\u4e3a3-20\u7684\u6240\u6709\u5b57\u7b26\uff1a^.{3,20}$<\/p>\n\n\n\n

4. \u753126\u4e2a\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1a^[A-Za-z]+$<\/p>\n\n\n\n

5. \u753126\u4e2a\u5927\u5199\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1a^[A-Z]+$<\/p>\n\n\n\n

6. \u753126\u4e2a\u5c0f\u5199\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1a^[a-z]+$<\/p>\n\n\n\n

7. \u7531\u6570\u5b57\u548c26\u4e2a\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1a^[A-Za-z0-9]+$<\/p>\n\n\n\n

8. \u7531\u6570\u5b57\u300126\u4e2a\u82f1\u6587\u5b57\u6bcd\u6216\u8005\u4e0b\u5212\u7ebf\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1a^\\w+$ \u6216 ^\\w{3,20}$<\/p>\n\n\n\n

9. \u4e2d\u6587\u3001\u82f1\u6587\u3001\u6570\u5b57\u5305\u62ec\u4e0b\u5212\u7ebf\uff1a^[\\u4E00-\\u9FA5A-Za-z0-9_]+$<\/p>\n\n\n\n

10. \u4e2d\u6587\u3001\u82f1\u6587\u3001\u6570\u5b57\u4f46\u4e0d\u5305\u62ec\u4e0b\u5212\u7ebf\u7b49\u7b26\u53f7\uff1a^[\\u4E00-\\u9FA5A-Za-z0-9]+$ \u6216 ^[\\u4E00-\\u9FA5A-Za-z0-9]{2,20}$<\/p>\n\n\n\n

11. \u53ef\u4ee5\u8f93\u5165\u542b\u6709^%&’,;=?$\\”\u7b49\u5b57\u7b26\uff1a[^%&’,;=?$\\x22]+ 12 \u7981\u6b62\u8f93\u5165\u542b\u6709~\u7684\u5b57\u7b26\uff1a[^~\\x22]+<\/p>\n\n\n\n

\u5176\u5b83\uff1a<\/strong><\/p>\n\n\n\n

.*\u5339\u914d\u9664 \\n \u4ee5\u5916\u7684\u4efb\u4f55\u5b57\u7b26\u3002<\/p>\n\n\n\n

\/[\\u4E00-\\u9FA5]\/ \u6c49\u5b57<\/p>\n\n\n\n

\/[\\uFF00-\\uFFFF]\/ \u5168\u89d2\u7b26\u53f7<\/p>\n\n\n\n

\/[\\u0000-\\u00FF]\/ \u534a\u89d2\u7b26\u53f7<\/p>\n\n\n\n

<\/a>\u4e09\u3001\u7279\u6b8a\u9700\u6c42\u8868\u8fbe\u5f0f<\/h2>\n\n\n\n

1. Email\u5730\u5740\uff1a^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$<\/p>\n\n\n\n

2. \u57df\u540d\uff1a[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\/.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+\/.?<\/p>\n\n\n\n

3. InternetURL\uff1a[a-zA-z]+:\/\/[^\\s]* \u6216 ^http:\/\/([\\w-]+\\.)+[\\w-]+(\/[\\w-.\/?%&=]*)?$<\/p>\n\n\n\n

4. \u624b\u673a\u53f7\u7801\uff1a^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\\d{8}$<\/p>\n\n\n\n

5. \u7535\u8bdd\u53f7\u7801(“XXX-XXXXXXX”\u3001”XXXX-XXXXXXXX”\u3001”XXX-XXXXXXX”\u3001”XXX-XXXXXXXX”\u3001”XXXXXXX”\u548c”XXXXXXXX)\uff1a^(\\(\\d{3,4}-)|\\d{3.4}-)?\\d{7,8}$<\/p>\n\n\n\n

6. \u56fd\u5185\u7535\u8bdd\u53f7\u7801(0511-4405222\u3001021-87888822)\uff1a\\d{3}-\\d{8}|\\d{4}-\\d{7}<\/p>\n\n\n\n

7. \u8eab\u4efd\u8bc1\u53f7(15\u4f4d\u300118\u4f4d\u6570\u5b57)\uff1a^\\d{15}|\\d{18}$<\/p>\n\n\n\n

8. \u77ed\u8eab\u4efd\u8bc1\u53f7\u7801(\u6570\u5b57\u3001\u5b57\u6bcdx\u7ed3\u5c3e)\uff1a^([0-9]){7,18}(x|X)?$ \u6216 ^\\d{8,18}|[0-9x]{8,18}|[0-9X]{8,18}?$<\/p>\n\n\n\n

9. \u5e10\u53f7\u662f\u5426\u5408\u6cd5(\u5b57\u6bcd\u5f00\u5934\uff0c\u5141\u8bb85-16\u5b57\u8282\uff0c\u5141\u8bb8\u5b57\u6bcd\u6570\u5b57\u4e0b\u5212\u7ebf)\uff1a^[a-zA-Z][a-zA-Z0-9_]{4,15}$<\/p>\n\n\n\n

10. \u5bc6\u7801(\u4ee5\u5b57\u6bcd\u5f00\u5934\uff0c\u957f\u5ea6\u57286~18\u4e4b\u95f4\uff0c\u53ea\u80fd\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u4e0b\u5212\u7ebf)\uff1a^[a-zA-Z]\\w{5,17}$<\/p>\n\n\n\n

11. \u5f3a\u5bc6\u7801(\u5fc5\u987b\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd\u548c\u6570\u5b57\u7684\u7ec4\u5408\uff0c\u4e0d\u80fd\u4f7f\u7528\u7279\u6b8a\u5b57\u7b26\uff0c\u957f\u5ea6\u57288-10\u4e4b\u95f4)\uff1a^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,10}$<\/p>\n\n\n\n

12. \u65e5\u671f\u683c\u5f0f\uff1a^\\d{4}-\\d{1,2}-\\d{1,2}<\/p>\n\n\n\n

13. \u4e00\u5e74\u768412\u4e2a\u6708(01\uff5e09\u548c1\uff5e12)\uff1a^(0?[1-9]|1[0-2])$<\/p>\n\n\n\n

14. \u4e00\u4e2a\u6708\u768431\u5929(01\uff5e09\u548c1\uff5e31)\uff1a^((0?[1-9])|((1|2)[0-9])|30|31)$<\/p>\n\n\n\n

15. \u94b1\u7684\u8f93\u5165\u683c\u5f0f\uff1a<\/p>\n\n\n\n

16. 1.\u6709\u56db\u79cd\u94b1\u7684\u8868\u793a\u5f62\u5f0f\u6211\u4eec\u53ef\u4ee5\u63a5\u53d7:”10000.00″ \u548c “10,000.00”, \u548c\u6ca1\u6709 “\u5206” \u7684 “10000” \u548c “10,000”\uff1a^[1-9][0-9]*$<\/p>\n\n\n\n

17. 2.\u8fd9\u8868\u793a\u4efb\u610f\u4e00\u4e2a\u4e0d\u4ee50\u5f00\u5934\u7684\u6570\u5b57,\u4f46\u662f,\u8fd9\u4e5f\u610f\u5473\u7740\u4e00\u4e2a\u5b57\u7b26”0″\u4e0d\u901a\u8fc7,\u6240\u4ee5\u6211\u4eec\u91c7\u7528\u4e0b\u9762\u7684\u5f62\u5f0f\uff1a^(0|[1-9][0-9]*)$<\/p>\n\n\n\n

18. 3.\u4e00\u4e2a0\u6216\u8005\u4e00\u4e2a\u4e0d\u4ee50\u5f00\u5934\u7684\u6570\u5b57.\u6211\u4eec\u8fd8\u53ef\u4ee5\u5141\u8bb8\u5f00\u5934\u6709\u4e00\u4e2a\u8d1f\u53f7\uff1a^(0|-?[1-9][0-9]*)$<\/p>\n\n\n\n

19. 4.\u8fd9\u8868\u793a\u4e00\u4e2a0\u6216\u8005\u4e00\u4e2a\u53ef\u80fd\u4e3a\u8d1f\u7684\u5f00\u5934\u4e0d\u4e3a0\u7684\u6570\u5b57.\u8ba9\u7528\u6237\u4ee50\u5f00\u5934\u597d\u4e86.\u628a\u8d1f\u53f7\u7684\u4e5f\u53bb\u6389,\u56e0\u4e3a\u94b1\u603b\u4e0d\u80fd\u662f\u8d1f\u7684\u5427.\u4e0b\u9762\u6211\u4eec\u8981\u52a0\u7684\u662f\u8bf4\u660e\u53ef\u80fd\u7684\u5c0f\u6570\u90e8\u5206\uff1a^[0-9]+(.[0-9]+)?$<\/p>\n\n\n\n

20. 5.\u5fc5\u987b\u8bf4\u660e\u7684\u662f,\u5c0f\u6570\u70b9\u540e\u9762\u81f3\u5c11\u5e94\u8be5\u67091\u4f4d\u6570,\u6240\u4ee5”10.”\u662f\u4e0d\u901a\u8fc7\u7684,\u4f46\u662f “10” \u548c “10.2” \u662f\u901a\u8fc7\u7684\uff1a^[0-9]+(.[0-9]{2})?$<\/p>\n\n\n\n

21. 6.\u8fd9\u6837\u6211\u4eec\u89c4\u5b9a\u5c0f\u6570\u70b9\u540e\u9762\u5fc5\u987b\u6709\u4e24\u4f4d,\u5982\u679c\u4f60\u8ba4\u4e3a\u592a\u82db\u523b\u4e86,\u53ef\u4ee5\u8fd9\u6837\uff1a^[0-9]+(.[0-9]{1,2})?$<\/p>\n\n\n\n

22. 7.\u8fd9\u6837\u5c31\u5141\u8bb8\u7528\u6237\u53ea\u5199\u4e00\u4f4d\u5c0f\u6570.\u4e0b\u9762\u6211\u4eec\u8be5\u8003\u8651\u6570\u5b57\u4e2d\u7684\u9017\u53f7\u4e86,\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\uff1a^[0-9]{1,3}(,[0-9]{3})*(.[0-9]{1,2})?$<\/p>\n\n\n\n

23 8.1\u52303\u4e2a\u6570\u5b57,\u540e\u9762\u8ddf\u7740\u4efb\u610f\u4e2a \u9017\u53f7+3\u4e2a\u6570\u5b57,\u9017\u53f7\u6210\u4e3a\u53ef\u9009,\u800c\u4e0d\u662f\u5fc5\u987b\uff1a^([0-9]+|[0-9]{1,3}(,[0-9]{3})*)(.[0-9]{1,2})?$<\/p>\n\n\n\n

24. \u5907\u6ce8\uff1a\u8fd9\u5c31\u662f\u6700\u7ec8\u7ed3\u679c\u4e86,\u522b\u5fd8\u4e86”+”\u53ef\u4ee5\u7528”*”\u66ff\u4ee3\u5982\u679c\u4f60\u89c9\u5f97\u7a7a\u5b57\u7b26\u4e32\u4e5f\u53ef\u4ee5\u63a5\u53d7\u7684\u8bdd(\u5947\u602a,\u4e3a\u4ec0\u4e48?)\u6700\u540e,\u522b\u5fd8\u4e86\u5728\u7528\u51fd\u6570\u65f6\u53bb\u6389\u53bb\u6389\u90a3\u4e2a\u53cd\u659c\u6760,\u4e00\u822c\u7684\u9519\u8bef\u90fd\u5728\u8fd9\u91cc<\/p>\n\n\n\n

25. xml\u6587\u4ef6\uff1a^([a-zA-Z]+-?)+[a-zA-Z0-9]+\\\\.[x|X][m|M][l|L]$<\/p>\n\n\n\n

26. \u4e2d\u6587\u5b57\u7b26\u7684\u6b63\u5219\u8868\u8fbe\u5f0f<\/a>\uff1a[\\u4e00-\\u9fa5]<\/p>\n\n\n\n

27. \u53cc\u5b57\u8282\u5b57\u7b26\uff1a[^\\x00-\\xff] (\u5305\u62ec\u6c49\u5b57\u5728\u5185\uff0c\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u5b57\u7b26\u4e32\u7684\u957f\u5ea6(\u4e00\u4e2a\u53cc\u5b57\u8282\u5b57\u7b26\u957f\u5ea6\u8ba12\uff0cASCII\u5b57\u7b26\u8ba11))<\/p>\n\n\n\n

28. \u7a7a\u767d\u884c\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a\\n\\s*\\r (\u53ef\u4ee5\u7528\u6765\u5220\u9664\u7a7a\u767d\u884c)<\/p>\n\n\n\n

29. HTML\u6807\u8bb0\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<(\\S*?)[^>]*>.*?<\/\\1>|<.*? \/> (\u7f51\u4e0a\u6d41\u4f20\u7684\u7248\u672c\u592a\u7cdf\u7cd5\uff0c\u4e0a\u9762\u8fd9\u4e2a\u4e5f\u4ec5\u4ec5\u80fd\u90e8\u5206\uff0c\u5bf9\u4e8e\u590d\u6742\u7684\u5d4c\u5957\u6807\u8bb0\u4f9d\u65e7\u65e0\u80fd\u4e3a\u529b)<\/p>\n\n\n\n

30. \u9996\u5c3e\u7a7a\u767d\u5b57\u7b26\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a^\\s*|\\s*$\u6216(^\\s*)|(\\s*$) (\u53ef\u4ee5\u7528\u6765\u5220\u9664\u884c\u9996\u884c\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26(\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u7b49)\uff0c\u975e\u5e38\u6709\u7528\u7684\u8868\u8fbe\u5f0f)<\/p>\n\n\n\n

31. \u817e\u8bafQQ\u53f7\uff1a[1-9][0-9]{4,} (\u817e\u8bafQQ\u53f7\u4ece10000\u5f00\u59cb)<\/p>\n\n\n\n

32. \u4e2d\u56fd\u90ae\u653f\u7f16\u7801\uff1a[1-9]\\d{5}(?!\\d) (\u4e2d\u56fd\u90ae\u653f\u7f16\u7801\u4e3a6\u4f4d\u6570\u5b57)<\/p>\n\n\n\n

33. IP\u5730\u5740\uff1a\\d+\\.\\d+\\.\\d+\\.\\d+ (\u63d0\u53d6IP\u5730\u5740\u65f6\u6709\u7528)<\/p>\n\n\n\n

34. IP\u5730\u5740\uff1a((?:(?:25[0-5]|2[0-4]\\\\d|[01]?\\\\d?\\\\d)\\\\.){3}(?:25[0-5]|2[0-4]\\\\d|[01]?\\\\d?\\\\d))<\/p>\n\n\n\n

35. IP-v4\u5730\u5740\uff1a\\\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\\\b (\u63d0\u53d6IP\u5730\u5740\u65f6\u6709\u7528)
36. \u6821\u9a8cIP-v6\u5730\u5740:(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))
37. \u5b50\u7f51\u63a9\u7801\uff1a((?:(?:25[0-5]|2[0-4]\\\\d|[01]?\\\\d?\\\\d)\\\\.){3}(?:25[0-5]|2[0-4]\\\\d|[01]?\\\\d?\\\\d))
38. \u6821\u9a8c\u65e5\u671f:^(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[0-9]{2}(?:0[48]|[2468][048]|[13579][26])|(?:0[48]|[2468][048]|[13579][26])00)-02-29)$(\u201cyyyy-mm-dd\u201c \u683c\u5f0f\u7684\u65e5\u671f\u6821\u9a8c\uff0c\u5df2\u8003\u8651\u5e73\u95f0\u5e74\u3002)
39. \u62bd\u53d6\u6ce8\u91ca\uff1a<!–(.*?)–>
40. \u67e5\u627eCSS\u5c5e\u6027:^\\\\s*[a-zA-Z\\\\-]+\\\\s*[:]{1}\\\\s[a-zA-Z0-9\\\\s.#]+[;]{1}
41. \u63d0\u53d6\u9875\u9762\u8d85\u94fe\u63a5:(<a\\\\s*(?!.*\\\\brel=)[^>]*)(href=”https?:\\\\\/\\\\\/)((?!(?:(?:www\\\\.)?’.implode(‘|(?:www\\\\.)?’, $follow_list).’))[^” rel=”external nofollow” ]+)”((?!.*\\\\brel=)[^>]*)(?:[^>]*)>
42. \u63d0\u53d6\u7f51\u9875\u56fe\u7247:\\\\< *[img][^\\\\\\\\>]*[src] *= *[\\\\”\\\\’]{0,1}([^\\\\”\\\\’\\\\ >]*)
43. \u63d0\u53d6\u7f51\u9875\u989c\u8272\u4ee3\u7801:^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$
44. \u6587\u4ef6\u6269\u5c55\u540d\u6548\u9a8c:^([a-zA-Z]\\\\:|\\\\\\\\)\\\\\\\\([^\\\\\\\\]+\\\\\\\\)*[^\\\\\/:*?”<>|]+\\\\.txt(l)?$
45. \u5224\u65adIE\u7248\u672c\uff1a^.*MSIE [5-8](?:\\\\.[0-9]+)?(?!.*Trident\\\\\/[5-9]\\\\.0).*$<\/p>\n\n\n\n

\u5143\u5b57\u7b26<\/td>\u63cf\u8ff0<\/td><\/tr>
\\<\/td>\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u7b26\u3001\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3001\u6216\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u7b26\u3002\u4f8b\u5982\uff0c\u201c\\\\n\u201d\u5339\u914d\\n\u3002\u201c\\n\u201d\u5339\u914d\u6362\u884c\u7b26\u3002\u5e8f\u5217\u201c\\\\\u201d\u5339\u914d\u201c\\\u201d\u800c\u201c\\(\u201d\u5219\u5339\u914d\u201c(\u201d\u3002\u5373\u76f8\u5f53\u4e8e\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u4e2d\u90fd\u6709\u7684\u201c\u8f6c\u4e49\u5b57\u7b26\u201d\u7684\u6982\u5ff5\u3002<\/td><\/tr>
^<\/td>\u5339\u914d\u8f93\u5165\u5b57\u884c\u9996\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c^\u4e5f\u5339\u914d\u201c\\n\u201d\u6216\u201c\\r\u201d\u4e4b\u540e\u7684\u4f4d\u7f6e\u3002<\/td><\/tr>
$<\/td>\u5339\u914d\u8f93\u5165\u884c\u5c3e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c$\u4e5f\u5339\u914d\u201c\\n\u201d\u6216\u201c\\r\u201d\u4e4b\u524d\u7684\u4f4d\u7f6e\u3002<\/td><\/tr>
*<\/td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4efb\u610f\u6b21\u3002\u4f8b\u5982\uff0czo*\u80fd\u5339\u914d\u201cz\u201d\uff0c\u4e5f\u80fd\u5339\u914d\u201czo\u201d\u4ee5\u53ca\u201czoo\u201d\u3002*\u7b49\u4ef7\u4e8e{0,}\u3002<\/td><\/tr>
+<\/td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21(\u5927\u4e8e\u7b49\u4e8e1\u6b21\uff09\u3002\u4f8b\u5982\uff0c\u201czo+\u201d\u80fd\u5339\u914d\u201czo\u201d\u4ee5\u53ca\u201czoo\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cz\u201d\u3002+\u7b49\u4ef7\u4e8e{1,}\u3002<\/td><\/tr>
?<\/td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u96f6\u6b21\u6216\u4e00\u6b21\u3002\u4f8b\u5982\uff0c\u201cdo(es)?\u201d\u53ef\u4ee5\u5339\u914d\u201cdo\u201d\u6216\u201cdoes\u201d\u3002?\u7b49\u4ef7\u4e8e{0,1}\u3002<\/td><\/tr>
{n<\/em>}<\/td>n<\/em>\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u5339\u914d\u786e\u5b9a\u7684n<\/em>\u6b21\u3002\u4f8b\u5982\uff0c\u201co{2}\u201d\u4e0d\u80fd\u5339\u914d\u201cBob\u201d\u4e2d\u7684\u201co\u201d\uff0c\u4f46\u662f\u80fd\u5339\u914d\u201cfood\u201d\u4e2d\u7684\u4e24\u4e2ao\u3002<\/td><\/tr>
{n<\/em>,}<\/td>n<\/em>\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u81f3\u5c11\u5339\u914dn<\/em>\u6b21\u3002\u4f8b\u5982\uff0c\u201co{2,}\u201d\u4e0d\u80fd\u5339\u914d\u201cBob\u201d\u4e2d\u7684\u201co\u201d\uff0c\u4f46\u80fd\u5339\u914d\u201cfoooood\u201d\u4e2d\u7684\u6240\u6709o\u3002\u201co{1,}\u201d\u7b49\u4ef7\u4e8e\u201co+\u201d\u3002\u201co{0,}\u201d\u5219\u7b49\u4ef7\u4e8e\u201co*\u201d\u3002<\/td><\/tr>
{n<\/em>,m<\/em>}<\/td>m<\/em>\u548cn<\/em>\u5747\u4e3a\u975e\u8d1f\u6574\u6570\uff0c\u5176\u4e2dn<\/em><=m<\/em>\u3002\u6700\u5c11\u5339\u914dn<\/em>\u6b21\u4e14\u6700\u591a\u5339\u914dm<\/em>\u6b21\u3002\u4f8b\u5982\uff0c\u201co{1,3}\u201d\u5c06\u5339\u914d\u201cfooooood\u201d\u4e2d\u7684\u524d\u4e09\u4e2ao\u4e3a\u4e00\u7ec4\uff0c\u540e\u4e09\u4e2ao\u4e3a\u4e00\u7ec4\u3002\u201co{0,1}\u201d\u7b49\u4ef7\u4e8e\u201co?\u201d\u3002\u8bf7\u6ce8\u610f\u5728\u9017\u53f7\u548c\u4e24\u4e2a\u6570\u4e4b\u95f4\u4e0d\u80fd\u6709\u7a7a\u683c\u3002<\/td><\/tr>
?<\/td>\u5f53\u8be5\u5b57\u7b26\u7d27\u8ddf\u5728\u4efb\u4f55\u4e00\u4e2a\u5176\u4ed6\u9650\u5236\u7b26\uff08*,+,?\uff0c{n<\/em>}\uff0c{n<\/em>,}\uff0c{n<\/em>,m<\/em>}\uff09\u540e\u9762\u65f6\uff0c\u5339\u914d\u6a21\u5f0f\u662f\u975e\u8d2a\u5a6a\u7684\u3002\u975e\u8d2a\u5a6a\u6a21\u5f0f\u5c3d\u53ef\u80fd\u5c11\u5730\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\uff0c\u800c\u9ed8\u8ba4\u7684\u8d2a\u5a6a\u6a21\u5f0f\u5219\u5c3d\u53ef\u80fd\u591a\u5730\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32\u201coooo\u201d\uff0c\u201co+\u201d\u5c06\u5c3d\u53ef\u80fd\u591a\u5730\u5339\u914d\u201co\u201d\uff0c\u5f97\u5230\u7ed3\u679c[\u201coooo\u201d]\uff0c\u800c\u201co+?\u201d\u5c06\u5c3d\u53ef\u80fd\u5c11\u5730\u5339\u914d\u201co\u201d\uff0c\u5f97\u5230\u7ed3\u679c [‘o’, ‘o’, ‘o’, ‘o’]<\/td><\/tr>
.\u70b9<\/td>\u5339\u914d\u9664\u201c\\n\u201d\u548c”\\r”\u4e4b\u5916\u7684\u4efb\u4f55\u5355\u4e2a\u5b57\u7b26\u3002\u8981\u5339\u914d\u5305\u62ec\u201c\\n\u201d\u548c”\\r”\u5728\u5185\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528\u50cf\u201c[\\s\\S]\u201d\u7684\u6a21\u5f0f\u3002<\/td><\/tr>
(pattern)<\/td>\u5339\u914dpattern\u5e76\u83b7\u53d6\u8fd9\u4e00\u5339\u914d\u3002\u6240\u83b7\u53d6\u7684\u5339\u914d\u53ef\u4ee5\u4ece\u4ea7\u751f\u7684Matches\u96c6\u5408\u5f97\u5230\uff0c\u5728VBScript\u4e2d\u4f7f\u7528SubMatches\u96c6\u5408\uff0c\u5728JScript\u4e2d\u5219\u4f7f\u7528$0\u2026$9\u5c5e\u6027\u3002\u8981\u5339\u914d\u5706\u62ec\u53f7\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528\u201c\u201d\u6216\u201c\u201d\u6216\u201c\u201d\u3002<\/td><\/tr>
(?:pattern)<\/td>\u975e\u83b7\u53d6\u5339\u914d\uff0c\u5339\u914dpattern\u4f46\u4e0d\u83b7\u53d6\u5339\u914d\u7ed3\u679c\uff0c\u4e0d\u8fdb\u884c\u5b58\u50a8\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u8fd9\u5728\u4f7f\u7528\u6216\u5b57\u7b26\u201c(|)\u201d\u6765\u7ec4\u5408\u4e00\u4e2a\u6a21\u5f0f\u7684\u5404\u4e2a\u90e8\u5206\u65f6\u5f88\u6709\u7528\u3002\u4f8b\u5982\u201cindustr(?:y|ies)\u201d\u5c31\u662f\u4e00\u4e2a\u6bd4\u201cindustry|industries\u201d\u66f4\u7b80\u7565\u7684\u8868\u8fbe\u5f0f\u3002<\/td><\/tr>
(?=pattern)<\/td>\u975e\u83b7\u53d6\u5339\u914d\uff0c\u6b63\u5411\u80af\u5b9a\u9884\u67e5\uff0c\u5728\u4efb\u4f55\u5339\u914dpattern\u7684\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u5339\u914d\u67e5\u627e\u5b57\u7b26\u4e32\uff0c\u8be5\u5339\u914d\u4e0d\u9700\u8981\u83b7\u53d6\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u201cWindows(?=95|98|NT|2000)\u201d\u80fd\u5339\u914d\u201cWindows2000\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cWindows3.1\u201d\u4e2d\u7684\u201cWindows\u201d\u3002\u9884\u67e5\u4e0d\u6d88\u8017\u5b57\u7b26\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u4e00\u4e2a\u5339\u914d\u53d1\u751f\u540e\uff0c\u5728\u6700\u540e\u4e00\u6b21\u5339\u914d\u4e4b\u540e\u7acb\u5373\u5f00\u59cb\u4e0b\u4e00\u6b21\u5339\u914d\u7684\u641c\u7d22\uff0c\u800c\u4e0d\u662f\u4ece\u5305\u542b\u9884\u67e5\u7684\u5b57\u7b26\u4e4b\u540e\u5f00\u59cb\u3002<\/td><\/tr>
(?!pattern)<\/td>\u975e\u83b7\u53d6\u5339\u914d\uff0c\u6b63\u5411\u5426\u5b9a\u9884\u67e5\uff0c\u5728\u4efb\u4f55\u4e0d\u5339\u914dpattern\u7684\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u5339\u914d\u67e5\u627e\u5b57\u7b26\u4e32\uff0c\u8be5\u5339\u914d\u4e0d\u9700\u8981\u83b7\u53d6\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u4f8b\u5982\u201cWindows(?!95|98|NT|2000)\u201d\u80fd\u5339\u914d\u201cWindows3.1\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cWindows2000\u201d\u4e2d\u7684\u201cWindows\u201d\u3002<\/td><\/tr>
(?<=pattern)<\/td>\u975e\u83b7\u53d6\u5339\u914d\uff0c\u53cd\u5411\u80af\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u80af\u5b9a\u9884\u67e5\u7c7b\u4f3c\uff0c\u53ea\u662f\u65b9\u5411\u76f8\u53cd\u3002\u4f8b\u5982\uff0c\u201c(?<=95|98|NT|2000)Windows\u201d\u80fd\u5339\u914d\u201c2000Windows\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201c3.1Windows\u201d\u4e2d\u7684\u201cWindows\u201d\u3002*python\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6ca1\u6709\u5b8c\u5168\u6309\u7167\u6b63\u5219\u8868\u8fbe\u5f0f\u89c4\u8303\u5b9e\u73b0\uff0c\u6240\u4ee5\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\u5efa\u8bae\u4f7f\u7528\u5176\u4ed6\u8bed\u8a00\u5982java\u3001scala\u7b49<\/td><\/tr>
(?<!patte_n)<\/td>\u975e\u83b7\u53d6\u5339\u914d\uff0c\u53cd\u5411\u5426\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u5426\u5b9a\u9884\u67e5\u7c7b\u4f3c\uff0c\u53ea\u662f\u65b9\u5411\u76f8\u53cd\u3002\u4f8b\u5982\u201c(?<!95|98|NT|2000)Windows\u201d\u80fd\u5339\u914d\u201c3.1Windows\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201c2000Windows\u201d\u4e2d\u7684\u201cWindows\u201d\u3002*python\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6ca1\u6709\u5b8c\u5168\u6309\u7167\u6b63\u5219\u8868\u8fbe\u5f0f\u89c4\u8303\u5b9e\u73b0\uff0c\u6240\u4ee5\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\u5efa\u8bae\u4f7f\u7528\u5176\u4ed6\u8bed\u8a00\u5982java\u3001scala\u7b49<\/td><\/tr>
x|y<\/td>\u5339\u914dx\u6216y\u3002\u4f8b\u5982\uff0c\u201cz|food\u201d\u80fd\u5339\u914d\u201cz\u201d\u6216\u201cfood\u201d(\u6b64\u5904\u8bf7\u8c28\u614e)\u3002\u201c[z|f]ood\u201d\u5219\u5339\u914d\u201czood\u201d\u6216\u201cfood\u201d\u3002<\/td><\/tr>
[xyz]<\/td>\u5b57\u7b26\u96c6\u5408\u3002\u5339\u914d\u6240\u5305\u542b\u7684\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[abc]\u201d\u53ef\u4ee5\u5339\u914d\u201cplain\u201d\u4e2d\u7684\u201ca\u201d\u3002<\/td><\/tr>
[^xyz]<\/td>\u8d1f\u503c\u5b57\u7b26\u96c6\u5408\u3002\u5339\u914d\u672a\u5305\u542b\u7684\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[^abc]\u201d\u53ef\u4ee5\u5339\u914d\u201cplain\u201d\u4e2d\u7684\u201cplin\u201d\u4efb\u4e00\u5b57\u7b26\u3002<\/td><\/tr>
[a-z]<\/td>\u5b57\u7b26\u8303\u56f4\u3002\u5339\u914d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[a-z]\u201d\u53ef\u4ee5\u5339\u914d\u201ca\u201d\u5230\u201cz\u201d\u8303\u56f4\u5185\u7684\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd\u5b57\u7b26\u3002\u6ce8\u610f:\u53ea\u6709\u8fde\u5b57\u7b26\u5728\u5b57\u7b26\u7ec4\u5185\u90e8\u65f6,\u5e76\u4e14\u51fa\u73b0\u5728\u4e24\u4e2a\u5b57\u7b26\u4e4b\u95f4\u65f6,\u624d\u80fd\u8868\u793a\u5b57\u7b26\u7684\u8303\u56f4; \u5982\u679c\u51fa\u5b57\u7b26\u7ec4\u7684\u5f00\u5934,\u5219\u53ea\u80fd\u8868\u793a\u8fde\u5b57\u7b26\u672c\u8eab.<\/td><\/tr>
[^a-z]<\/td>\u8d1f\u503c\u5b57\u7b26\u8303\u56f4\u3002\u5339\u914d\u4efb\u4f55\u4e0d\u5728\u6307\u5b9a\u8303\u56f4\u5185\u7684\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[^a-z]\u201d\u53ef\u4ee5\u5339\u914d\u4efb\u4f55\u4e0d\u5728\u201ca\u201d\u5230\u201cz\u201d\u8303\u56f4\u5185\u7684\u4efb\u610f\u5b57\u7b26\u3002<\/td><\/tr>
\\b<\/td>\u5339\u914d\u4e00\u4e2a\u5355\u8bcd\u7684\u8fb9\u754c\uff0c\u4e5f\u5c31\u662f\u6307\u5355\u8bcd\u548c\u7a7a\u683c\u95f4\u7684\u4f4d\u7f6e\uff08\u5373\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u201c\u5339\u914d\u201d\u6709\u4e24\u79cd\u6982\u5ff5\uff0c\u4e00\u79cd\u662f\u5339\u914d\u5b57\u7b26\uff0c\u4e00\u79cd\u662f\u5339\u914d\u4f4d\u7f6e\uff0c\u8fd9\u91cc\u7684\\b\u5c31\u662f\u5339\u914d\u4f4d\u7f6e\u7684\uff09\u3002\u4f8b\u5982\uff0c\u201cer\\b\u201d\u53ef\u4ee5\u5339\u914d\u201cnever\u201d\u4e2d\u7684\u201cer\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cverb\u201d\u4e2d\u7684\u201cer\u201d\uff1b\u201c\\b1_\u201d\u53ef\u4ee5\u5339\u914d\u201c1_23\u201d\u4e2d\u7684\u201c1_\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201c21_3\u201d\u4e2d\u7684\u201c1_\u201d\u3002<\/td><\/tr>
\\B<\/td>\u5339\u914d\u975e\u5355\u8bcd\u8fb9\u754c\u3002\u201cer\\B\u201d\u80fd\u5339\u914d\u201cverb\u201d\u4e2d\u7684\u201cer\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cnever\u201d\u4e2d\u7684\u201cer\u201d\u3002<\/td><\/tr>
\\cx<\/td>\u5339\u914d\u7531x\u6307\u660e\u7684\u63a7\u5236\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\\cM\u5339\u914d\u4e00\u4e2aControl-M\u6216\u56de\u8f66\u7b26\u3002x\u7684\u503c\u5fc5\u987b\u4e3aA-Z\u6216a-z\u4e4b\u4e00\u3002\u5426\u5219\uff0c\u5c06c\u89c6\u4e3a\u4e00\u4e2a\u539f\u4e49\u7684\u201cc\u201d\u5b57\u7b26\u3002<\/td><\/tr>
\\d<\/td>\u5339\u914d\u4e00\u4e2a\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[0-9]\u3002grep \u8981\u52a0\u4e0a-P\uff0cperl\u6b63\u5219\u652f\u6301<\/td><\/tr>
\\D<\/td>\u5339\u914d\u4e00\u4e2a\u975e\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[^0-9]\u3002grep\u8981\u52a0\u4e0a-P\uff0cperl\u6b63\u5219\u652f\u6301<\/td><\/tr>
\\f<\/td>\u5339\u914d\u4e00\u4e2a\u6362\u9875\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0c\u548c\\cL\u3002<\/td><\/tr>
\\n<\/td>\u5339\u914d\u4e00\u4e2a\u6362\u884c\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0a\u548c\\cJ\u3002<\/td><\/tr>
\\r<\/td>\u5339\u914d\u4e00\u4e2a\u56de\u8f66\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0d\u548c\\cM\u3002<\/td><\/tr>
\\s<\/td>\u5339\u914d\u4efb\u4f55\u4e0d\u53ef\u89c1\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u7b49\u3002\u7b49\u4ef7\u4e8e[ \\f\\n\\r\\t\\v]\u3002<\/td><\/tr>
\\S<\/td>\u5339\u914d\u4efb\u4f55\u53ef\u89c1\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[^ \\f\\n\\r\\t\\v]\u3002<\/td><\/tr>
\\t<\/td>\u5339\u914d\u4e00\u4e2a\u5236\u8868\u7b26\u3002\u7b49\u4ef7\u4e8e\\x09\u548c\\cI\u3002<\/td><\/tr>
\\v<\/td>\u5339\u914d\u4e00\u4e2a\u5782\u76f4\u5236\u8868\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0b\u548c\\cK\u3002<\/td><\/tr>
\\w<\/td>\u5339\u914d\u5305\u62ec\u4e0b\u5212\u7ebf\u7684\u4efb\u4f55\u5355\u8bcd\u5b57\u7b26\u3002\u7c7b\u4f3c\u4f46\u4e0d\u7b49\u4ef7\u4e8e\u201c[A-Za-z0-9_]\u201d\uff0c\u8fd9\u91cc\u7684”\u5355\u8bcd”\u5b57\u7b26\u4f7f\u7528Unicode\u5b57\u7b26\u96c6\u3002<\/td><\/tr>
\\W<\/td>\u5339\u914d\u4efb\u4f55\u975e\u5355\u8bcd\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e\u201c[^A-Za-z0-9_]\u201d\u3002<\/td><\/tr>
\\xn<\/em><\/td>\u5339\u914dn<\/em>\uff0c\u5176\u4e2dn<\/em>\u4e3a\u5341\u516d\u8fdb\u5236\u8f6c\u4e49\u503c\u3002\u5341\u516d\u8fdb\u5236\u8f6c\u4e49\u503c\u5fc5\u987b\u4e3a\u786e\u5b9a\u7684\u4e24\u4e2a\u6570\u5b57\u957f\u3002\u4f8b\u5982\uff0c\u201c\\x41\u201d\u5339\u914d\u201cA\u201d\u3002\u201c\\x041\u201d\u5219\u7b49\u4ef7\u4e8e\u201c\\x04&1\u201d\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u53ef\u4ee5\u4f7f\u7528ASCII\u7f16\u7801\u3002<\/td><\/tr>
\\num<\/em><\/td>\u5339\u914dnum<\/em>\uff0c\u5176\u4e2dnum<\/em>\u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u5bf9\u6240\u83b7\u53d6\u7684\u5339\u914d\u7684\u5f15\u7528\u3002\u4f8b\u5982\uff0c\u201c(.)\\1\u201d\u5339\u914d\u4e24\u4e2a\u8fde\u7eed\u7684\u76f8\u540c\u5b57\u7b26\u3002<\/td><\/tr>
\\n<\/em><\/td>\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\n<\/em>\u4e4b\u524d\u81f3\u5c11n<\/em>\u4e2a\u83b7\u53d6\u7684\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219n<\/em>\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5426\u5219\uff0c\u5982\u679cn<\/em>\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219n<\/em>\u4e3a\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u3002<\/td><\/tr>
\\nm<\/em><\/td>\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm<\/em>\u4e4b\u524d\u81f3\u5c11\u6709nm<\/em>\u4e2a\u83b7\u5f97\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219nm<\/em>\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm<\/em>\u4e4b\u524d\u81f3\u5c11\u6709n<\/em>\u4e2a\u83b7\u53d6\uff0c\u5219n<\/em>\u4e3a\u4e00\u4e2a\u540e\u8ddf\u6587\u5b57m<\/em>\u7684\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\u524d\u9762\u7684\u6761\u4ef6\u90fd\u4e0d\u6ee1\u8db3\uff0c\u82e5n<\/em>\u548cm<\/em>\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\\nm<\/em>\u5c06\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnm<\/em>\u3002<\/td><\/tr>
\\nml<\/em><\/td>\u5982\u679cn<\/em>\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u4e14m<\/em>\u548cl<\/em>\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnml<\/em>\u3002<\/td><\/tr>
\\un<\/em><\/td>\u5339\u914dn<\/em>\uff0c\u5176\u4e2dn<\/em>\u662f\u4e00\u4e2a\u7528\u56db\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u5b57\u8868\u793a\u7684Unicode\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\\u00A9\u5339\u914d\u7248\u6743\u7b26\u53f7\uff08\u00a9\uff09\u3002<\/td><\/tr>
\\p{P}<\/td>\u5c0f\u5199 p \u662f property \u7684\u610f\u601d\uff0c\u8868\u793a Unicode \u5c5e\u6027\uff0c\u7528\u4e8e Unicode \u6b63\u8868\u8fbe\u5f0f\u7684\u524d\u7f00\u3002\u4e2d\u62ec\u53f7\u5185\u7684\u201cP\u201d\u8868\u793aUnicode \u5b57\u7b26\u96c6\u4e03\u4e2a\u5b57\u7b26\u5c5e\u6027\u4e4b\u4e00\uff1a\u6807\u70b9\u5b57\u7b26\u3002\u5176\u4ed6\u516d\u4e2a\u5c5e\u6027\uff1aL\uff1a\u5b57\u6bcd\uff1bM\uff1a\u6807\u8bb0\u7b26\u53f7\uff08\u4e00\u822c\u4e0d\u4f1a\u5355\u72ec\u51fa\u73b0\uff09\uff1bZ\uff1a\u5206\u9694\u7b26\uff08\u6bd4\u5982\u7a7a\u683c\u3001\u6362\u884c\u7b49\uff09\uff1bS\uff1a\u7b26\u53f7\uff08\u6bd4\u5982\u6570\u5b66\u7b26\u53f7\u3001\u8d27\u5e01\u7b26\u53f7\u7b49\uff09\uff1bN\uff1a\u6570\u5b57\uff08\u6bd4\u5982\u963f\u62c9\u4f2f\u6570\u5b57\u3001\u7f57\u9a6c\u6570\u5b57\u7b49\uff09\uff1bC\uff1a\u5176\u4ed6\u5b57\u7b26\u3002*\u6ce8\uff1a\u6b64\u8bed\u6cd5\u90e8\u5206\u8bed\u8a00\u4e0d\u652f\u6301\uff0c\u4f8b\uff1ajavascript\u3002<\/em><\/td><\/tr>
\\<\\><\/td>\u5339\u914d\u8bcd\uff08word\uff09\u7684\u5f00\u59cb\uff08\\<\uff09\u548c\u7ed3\u675f\uff08\\>\uff09\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0f\\<the\\>\u80fd\u591f\u5339\u914d\u5b57\u7b26\u4e32”for the wise”\u4e2d\u7684”the”\uff0c\u4f46\u662f\u4e0d\u80fd\u5339\u914d\u5b57\u7b26\u4e32”otherwise”\u4e2d\u7684”the”\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td><\/tr>
( )<\/td>\u5c06( \u548c ) \u4e4b\u95f4\u7684\u8868\u8fbe\u5f0f\u5b9a\u4e49\u4e3a\u201c\u7ec4\u201d\uff08group\uff09\uff0c\u5e76\u4e14\u5c06\u5339\u914d\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u7684\u5b57\u7b26\u4fdd\u5b58\u5230\u4e00\u4e2a\u4e34\u65f6\u533a\u57df\uff08\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u6700\u591a\u53ef\u4ee5\u4fdd\u5b589\u4e2a\uff09\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528 \\1 \u5230\\9 \u7684\u7b26\u53f7\u6765\u5f15\u7528\u3002<\/td><\/tr>
|<\/td>\u5c06\u4e24\u4e2a\u5339\u914d\u6761\u4ef6\u8fdb\u884c\u903b\u8f91\u201c\u6216\u201d\uff08or\uff09\u8fd0\u7b97\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0f(him|her) \u5339\u914d”it belongs to him”\u548c”it belongs to her”\uff0c\u4f46\u662f\u4e0d\u80fd\u5339\u914d”it belongs to them.”\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

PS:<\/p>\n\n\n\n

\u5728\u7ebf\u6b63\u5219\u8868\u8fbe\u5f0f\u6d4b\u8bd5: http:\/\/tool.oschina.net\/regex\/<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u6821\u9a8c\u6570\u5b57\u7684\u8868\u8fbe\u5f0f 1. \u6570\u5b57\uff1a^[0-9]*$ 2. n\u4f4d\u7684\u6570\u5b57\uff1a^\\d{n}$ 3. \u81f3\u5c11n\u4f4d\u7684\u6570\u5b57\uff1a^ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-948","post","type-post","status-publish","format-standard","hentry","category-10"],"_links":{"self":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/comments?post=948"}],"version-history":[{"count":0,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/948\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/media?parent=948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/categories?post=948"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/tags?post=948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}