{"id":238,"title":"\u6b63\u5219\u8868\u8fbe\u5f0f\u57fa\u672c\u8bed\u6cd5","good":1,"bad":0,"hit":2150,"created_at":"2016-05-22 02:05:47","content":"<p>&lt;?php<br\/>\/**<br\/> * \u6b63\u5219\u8868\u8fbe\u5f0f\u57fa\u672c\u8bed\u6cd5<br\/> * \u6b63\u5219\u6d4b\u8bd5\uff1ahttp:\/\/tool.chinaz.com\/regex\/ &nbsp; \u4e0d\u7528\u8f93\u754c\u5b9a\u7b26<br\/> * \u6b63\u5219\u4ee3\u7801\u751f\u6210\uff1ahttp:\/\/tool.chinaz.com\/tools\/regexgenerate<br\/> * \u754c\u5b9a\u7b26\/\u6216# &nbsp;\/[0-9]\/ #[0-9]#<br\/> * \u7a7a\u683c(\u6309\u7a7a\u683c\u5236)\u53ef\u4ee5\u5339\u914d\u7a7a\u683c<br\/> * ------------------------------------------------\u539f\u5b50-----------------------------------<br\/> * \\t \u5339\u914d\u5236\u8868\u7b26<br\/> * \\n \u5339\u914d\u56de\u8f66 \u7531\u4e8e\u56de\u8f66\u770b\u4e0d\u5230\uff0c\u53ef\u4ee5\u8ddf\u4e00\u4e2a\u56de\u8f66\u540e\u7684\u5b57\u7b26\u6765\u67e5\u770b\u6548\u679c<br\/> * | \u6216<br\/> * [] \u96c6\u5408\u5185\u7684 [a-zA-Z0-9] \u5927\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57<br\/> * [^]\u9664\u96c6\u5408\u5185\u7684 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u975e \u5927\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57<br\/> * .\u9664\u6392\u884c\u5916\u7684\u4efb\u610f\u5b57\u7b26<br\/> * \\d \u5339\u914d\u4e00\u4e2a\u5341\u8fdb\u5236 \u7b49\u4ef7\u4e8e[0-9]<br\/> * \\D \u5339\u914d\u4e00\u4e2a\u975e\u5341\u8fdb\u5236 \u7b49\u4ef7\u4e8e[^0-9]<br\/> * \\s \u5339\u914d\u4e00\u4e2a\u4e0d\u53ef\u89c1\u539f\u5b50 [\\f\\n\\r\\t\\v]<br\/> * \\S \u5339\u914d\u4e00\u4e2a\u53ef\u89c1\u539f\u5b50[^\\f\\n\\r\\t\\v]<br\/> * \\w [a-zA-Z0-9_]<br\/> * \\W [^a-zA-Z0-9_]<br\/> * --------------------------------\u91cf\u8bcd\uff1a\u539f\u5b50\u51fa\u73b0\u6211\u7684\u6b21\u6570--------------------------------<br\/> * \u4f5c\u7528\u8303\u56f4\uff1a\u5176\u524d\u9762\u7684\u4e00\u4e2a\u539f\u5b50<br\/> * {m} \u51fa\u73b0m\u6b21<br\/> * {m,} \u81f3\u5c11\u51fa\u73b0m\u6b21<br\/> * {m,n} \u51fa\u73b0m\u5230n\u6b21\u4e4b\u95f4<br\/> * * 0\u5230\u65e0\u7a77\u6b21<br\/> * + 1\u5230\u65e0\u7a77\u6b21<br\/> * ? 1\u62160\u6b21\uff0c\u7c7b\u4f3c\u4e8e\u4e09\u5143\u8fd0\u7b97\u7b26\u7684\u6548\u679c<br\/> * --------------------------------------\u8fb9\u754c\u63a7\u5236-------------------------------<br\/> * ^ \u5339\u914d\u5b57\u7b26\u4e32\u5f00\u59cb\u7684\u4f4d\u7f6e \uff08\u5fc5\u987b\u4ee5\u4ec0\u4e48\u5f00\u5934\uff09<br\/> * $ \u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u675f\u7684\u4f4d\u7f6e \uff08\u5fc5\u987b\u4ee5\u4ec0\u4e48\u7ed3\u675f\uff09<br\/> * --------------------------------------\u6a21\u5f0f\u5355\u5143----------------------------<br\/> * ()\u5339\u914d\u5176\u4e2d\u7684\u6574\u4f53\u4e3a\u4e00\u4e2a\u539f\u5b50 \uff08D|d) \u7b49\u4ef7\u4e8e[Dd]<br\/> * -----------------------------------------\u4fee\u6b63\u6a21\u5f0f----------------------------<br\/> * \u8d2a\u5a6a\u6a21\u5f0f\uff1a\u5339\u914d\u7ed3\u675f\u5b58\u5728\u5c90\u4e49\u53d6\u5176\u957f \uff08\u9ed8\u8ba4\u6a21\u5f0f\uff09 &nbsp;\/\/u<br\/> * \u61d2\u60f0\u6a21\u5f0f\uff1a\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u53d6\u5176\u77ed &nbsp;\/ \/U \u672b\u5c3e\u52a0\u4e2a\u5927\u5199U<br\/> * i \u5ffd\u7565\u82f1\u6587\u5927\u5c0f\u5199<br\/> * x \u5ffd\u7565\u7a7a\u767d &nbsp;\u7a7a\u683c \u5236\u8868\u7b26<br\/> * s \u8ba9\u5143\u5b57\u7b26 . \u5339\u914d\u5305\u62ec\u6362\u884c\u7b26\u5728\u5185\u7684\u6240\u6709\u5b57\u7b26<br\/> * e<br\/> *\/<br\/><br\/>$reg1=&#39;\/.+\/&#39;;\/\/\u975e\u7a7a \uff0c\u5141\u8bb8\u7a7a\u683c\u548c\u5236\u8868\u7b26<br\/>$reg2=&#39;\/[1-9]+\\d*\\.\\d{2}&#39;;\/\/ \u5c0f\u6570\u70b9\u540e\u6709\u4e24\u4f4d\u7684\u6570\u5b57<\/p>"}