{"id":100,"date":"2025-03-31T00:26:00","date_gmt":"2025-03-30T16:26:00","guid":{"rendered":"https:\/\/danchengjie.cn\/?p=100"},"modified":"2026-03-31T00:31:04","modified_gmt":"2026-03-30T16:31:04","slug":"regex","status":"publish","type":"post","link":"https:\/\/danchengjie.cn\/index.php\/2025\/03\/31\/regex\/","title":{"rendered":"regex"},"content":{"rendered":"\n

\u8868\u8fbe\u5f0f\u5168\u96c6<\/h2>\n\n\n\n
\u5b57\u7b26<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\\<\/code><\/td>\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u4e3a\u4e00\u4e2a\u7279\u6b8a\u5b57\u7b26\u3001\u6216\u4e00\u4e2a\u539f\u4e49\u5b57\u7b26\u3001\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3001\u6216\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u7b26\u3002\u4f8b\u5982\uff0c\u201cn\u201d\u5339\u914d\u5b57\u7b26\u201cn\u201d\u3002\u201c\\n\u201d\u5339\u914d\u4e00\u4e2a\u6362\u884c\u7b26\u3002\u4e32\u884c\u201c\\\u201d\u5339\u914d\u201c\\\u201d\u800c\u201c(\u201d\u5219\u5339\u914d\u201c(\u201d\u3002<\/td><\/tr>
^<\/code><\/td>\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\u4f4d\u7f6e\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>
$<\/code><\/td>\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u7ed3\u675f\u4f4d\u7f6e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c$\u4e5f\u5339\u914d\u201c\\n\u201d\u6216\u201c\\r\u201d\u4e4b\u524d\u7684\u4f4d\u7f6e\u3002<\/td><\/tr>
*<\/code><\/td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u96f6\u6b21\u6216\u591a\u6b21\u3002\u4f8b\u5982\uff0czo\u80fd\u5339\u914d\u201cz\u201d\u4ee5\u53ca\u201czoo\u201d\u3002<\/em>\u7b49\u4ef7\u4e8e{0,}\u3002<\/td><\/tr>
+<\/code><\/td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21\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>
?<\/code><\/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\u201cdoes\u201d\u6216\u201cdoes\u201d\u4e2d\u7684\u201cdo\u201d\u3002?\u7b49\u4ef7\u4e8e{0,1}\u3002<\/td><\/tr>
{n}<\/code><\/td>n\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u5339\u914d\u786e\u5b9a\u7684n\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,}<\/code><\/td>n\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u81f3\u5c11\u5339\u914dn\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,m}<\/code><\/td>m\u548cn\u5747\u4e3a\u975e\u8d1f\u6574\u6570\uff0c\u5176\u4e2dn<=m\u3002\u6700\u5c11\u5339\u914dn\u6b21\u4e14\u6700\u591a\u5339\u914dm\u6b21\u3002\u4f8b\u5982\uff0c\u201co{1,3}\u201d\u5c06\u5339\u914d\u201cfooooood\u201d\u4e2d\u7684\u524d\u4e09\u4e2ao\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>
?<\/code><\/td>\u5f53\u8be5\u5b57\u7b26\u7d27\u8ddf\u5728\u4efb\u4f55\u4e00\u4e2a\u5176\u4ed6\u9650\u5236\u7b26\uff08*,+,?\uff0c{n}\uff0c{n,}\uff0c{n,m}\uff09\u540e\u9762\u65f6\uff0c\u5339\u914d\u6a21\u5f0f\u662f\u975e\u8d2a\u5a6a\u7684\u3002\u975e\u8d2a\u5a6a\u6a21\u5f0f\u5c3d\u53ef\u80fd\u5c11\u7684\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\uff0c\u800c\u9ed8\u8ba4\u7684\u8d2a\u5a6a\u6a21\u5f0f\u5219\u5c3d\u53ef\u80fd\u591a\u7684\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32\u201coooo\u201d\uff0c\u201co+?\u201d\u5c06\u5339\u914d\u5355\u4e2a\u201co\u201d\uff0c\u800c\u201co+\u201d\u5c06\u5339\u914d\u6240\u6709\u201co\u201d\u3002<\/td><\/tr>
.<\/code><\/td>\u5339\u914d\u9664\u201c\\n\u201d\u4e4b\u5916\u7684\u4efb\u4f55\u5355\u4e2a\u5b57\u7b26\u3002\u8981\u5339\u914d\u5305\u62ec\u201c\\n\u201d\u5728\u5185\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528\u50cf\u201c(.<\/td><\/tr>
(pattern)<\/code><\/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)<\/code><\/td>\u5339\u914dpattern\u4f46\u4e0d\u83b7\u53d6\u5339\u914d\u7ed3\u679c\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e0d\u8fdb\u884c\u5b58\u50a8\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u8fd9\u5728\u4f7f\u7528\u6216\u5b57\u7b26\u201c(<\/td><\/tr>
(?=pattern)<\/code><\/td>\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\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e5f\u5c31\u662f\u8bf4\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)<\/code><\/td>\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\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e5f\u5c31\u662f\u8bf4\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\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)<\/code><\/td>\u53cd\u5411\u80af\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u80af\u5b9a\u9884\u67e5\u7c7b\u62df\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<\/td><\/tr>
(?<!pattern)<\/code><\/td>\u53cd\u5411\u5426\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u5426\u5b9a\u9884\u67e5\u7c7b\u62df\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<\/td><\/tr>
x|y<\/code><\/td>\u5339\u914dx\u6216y\u3002\u4f8b\u5982\uff0c\u201cz|food\u201d\u80fd\u5339\u914d\u201cz\u201d\u6216\u201cfood\u201d\u3002\u201c(z|f)ood\u201d\u5219\u5339\u914d\u201czood\u201d\u6216\u201cfood\u201d\u3002<\/td><\/tr>
[xyz]<\/code><\/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]<\/code><\/td>\u8d1f\u503c\u5b57\u7b26\u96c6\u5408\u3002\u5339\u914d\u672a\u5305\u542b\u7684\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201cabc<\/sup>\u201d\u53ef\u4ee5\u5339\u914d\u201cplain\u201d\u4e2d\u7684\u201cp\u201d\u3002<\/td><\/tr>
[a-z]<\/code><\/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<\/td><\/tr>
[^a-z]<\/code><\/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\u201ca-z<\/sup>\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<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u5355\u8bcd\u8fb9\u754c\uff0c\u4e5f\u5c31\u662f\u6307\u5355\u8bcd\u548c\u7a7a\u683c\u95f4\u7684\u4f4d\u7f6e\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\u3002<\/td><\/tr>
\\B<\/code><\/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<\/code><\/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<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[0-9]\u3002<\/td><\/tr>
\\D<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u975e\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e0-9<\/sup>\u3002<\/td><\/tr>
\\f<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u6362\u9875\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0c\u548c\\cL\u3002<\/td><\/tr>
\\n<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u6362\u884c\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0a\u548c\\cJ\u3002<\/td><\/tr>
\\r<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u56de\u8f66\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0d\u548c\\cM\u3002<\/td><\/tr>
\\s<\/code><\/td>\u5339\u914d\u4efb\u4f55\u7a7a\u767d\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<\/code><\/td>\u5339\u914d\u4efb\u4f55\u975e\u7a7a\u767d\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e \\f\\n\\r\\t\\v<\/sup>\u3002<\/td><\/tr>
\\t<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u5236\u8868\u7b26\u3002\u7b49\u4ef7\u4e8e\\x09\u548c\\cI\u3002<\/td><\/tr>
\\v<\/code><\/td>\u5339\u914d\u4e00\u4e2a\u5782\u76f4\u5236\u8868\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0b\u548c\\cK\u3002<\/td><\/tr>
\\w<\/code><\/td>\u5339\u914d\u5305\u62ec\u4e0b\u5212\u7ebf\u7684\u4efb\u4f55\u5355\u8bcd\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e\u201c[A-Za-z0-9_]\u201d\u3002<\/td><\/tr>
\\W<\/code><\/td>\u5339\u914d\u4efb\u4f55\u975e\u5355\u8bcd\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e\u201cA-Za-z0-9_<\/sup>\u201d\u3002<\/td><\/tr>
\\xn<\/code><\/td>\u5339\u914dn\uff0c\u5176\u4e2dn\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<\/code><\/td>\u5339\u914dnum\uff0c\u5176\u4e2dnum\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<\/code><\/td>\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\n\u4e4b\u524d\u81f3\u5c11n\u4e2a\u83b7\u53d6\u7684\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219n\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5426\u5219\uff0c\u5982\u679cn\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219n\u4e3a\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u3002<\/td><\/tr>
\\nm<\/code><\/td>\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm\u4e4b\u524d\u81f3\u5c11\u6709nm\u4e2a\u83b7\u5f97\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219nm\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm\u4e4b\u524d\u81f3\u5c11\u6709n\u4e2a\u83b7\u53d6\uff0c\u5219n\u4e3a\u4e00\u4e2a\u540e\u8ddf\u6587\u5b57m\u7684\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\u524d\u9762\u7684\u6761\u4ef6\u90fd\u4e0d\u6ee1\u8db3\uff0c\u82e5n\u548cm\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\\nm\u5c06\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnm\u3002<\/td><\/tr>
\\nml<\/code><\/td>\u5982\u679cn\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-3\uff09\uff0c\u4e14m\u548cl\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnml\u3002<\/td><\/tr>
\\un<\/code><\/td>\u5339\u914dn\uff0c\u5176\u4e2dn\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><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

\u5e38\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h2>\n\n\n\n
\u540d\u79f0<\/th>\u6b63\u5219\u8868\u8fbe\u5f0f<\/th><\/tr><\/thead>
\u7528\u6237\u540d<\/td>\/^[a-z0-9_-]{3,16}$\/<\/code><\/td><\/tr>
\u5bc6\u7801<\/td>\/^[a-z0-9_-]{6,18}$\/<\/code><\/td><\/tr>
\u5341\u516d\u8fdb\u5236\u503c<\/td>\/^#?([a-f0-9]{6}|[a-f0-9]{3})$\/<\/code><\/td><\/tr>
\u7535\u5b50\u90ae\u7bb1<\/td>\/^([a-z0-9_\\.-]+)@([\\da-z\\.-]+)\\.([a-z\\.]{2,6})$\/<\/code><\/td><\/tr>
\u7535\u5b50\u90ae\u7bb1\uff08\u5907\u9009\uff09<\/td>\/^[a-z\\d]+(\\.[a-z\\d]+)*@([\\da-z](-[\\da-z])?)+(\\.{1,2}[a-z]+)+$\/<\/code><\/td><\/tr>
URL<\/td>\/^(https?:\\\/\\\/)?([\\da-z\\.-]+)\\.([a-z\\.]{2,6})([\\\/\\w \\.-]*)*\\\/?$\/<\/code><\/td><\/tr>
IP \u5730\u5740<\/td>\/((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\/<\/code><\/td><\/tr>
IP \u5730\u5740\uff08\u7cbe\u786e\uff09<\/td>\/^(?:(?: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]?)$\/<\/code><\/td><\/tr>
HTML \u6807\u7b7e<\/td>\/^<([a-z]+)([^<]+)*(?:>(.*)<\\\/\\1>|\\s+\\\/>)$\/<\/code><\/td><\/tr>
\u5220\u9664\u4ee3\u7801\u6ce8\u91ca<\/td>(?<!http:|\\S)\/\/.*$<\/code><\/td><\/tr>
Unicode\u7f16\u7801\u4e2d\u7684\u6c49\u5b57\u8303\u56f4<\/td>\/^[\\u2E80-\\u9FFF]+$\/<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8868\u8fbe\u5f0f\u5168\u96c6 \u5b57\u7b26 \u63cf\u8ff0 \\ \u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u4e3a\u4e00\u4e2a\u7279\u6b8a\u5b57\u7b26\u3001\u6216\u4e00\u4e2a\u539f\u4e49\u5b57\u7b26\u3001\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3001\u6216\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u7b26 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[9],"class_list":["post-100","post","type-post","status-publish","format-standard","hentry","category-regex","tag-regex"],"_links":{"self":[{"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/posts\/100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/comments?post=100"}],"version-history":[{"count":3,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":103,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/posts\/100\/revisions\/103"}],"wp:attachment":[{"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/media?parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/categories?post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/danchengjie.cn\/index.php\/wp-json\/wp\/v2\/tags?post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}