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php正则:匹配(),{},[]小括号,大括号,中括号里面的内容 比如有一段字符: $s='60c8 {"code":"200","message":"success","data":[{"_id":"780521","time":1476768196,"position":{"long":108.90415,"lat":35.25623},"speed":495.677952,"anum":"B6552","atype":"A321","atypename":"Airbus A321-231","angle":"198","vspeed":"-576","device":"9d26b827eb566225","onground":"0","updatetime":1476768198,"height":3581.4,"fnum":"CSN3722 ","alert":"0","spi":"0","squawk":"1107","emergency":"0"}]}';
我要匹配,{}括号里面的内容,单独拿出来。 preg_match('/(?:\{)(.*)(?:\})/i', $s, $match); var_dump($match);
说明: PHP使用正则表达式提取字符串中尖括号<>、小括号()、中括号[]、大括号{}中的字符示例,需要的朋友可以参考下 $str="你好<我>(爱)[北京]{天安门}"; echo f1($str); //返回你好 echo f2($str); //返回我 echo f3($str); //返回爱 echo f4($str); //返回北京 echo f5($str); //返回天安门 function f1($str) { $result = array(); preg_match_all("/^(.*)(?:<)/i",$str, $result); return $result[1][0]; } function f2($str) { $result = array(); preg_match_all("/(?:<)(.*)(?:>)/i",$str, $result); return $result[1][0]; } function f3($str) { $result = array(); preg_match_all("/(?:\()(.*)(?:\))/i",$str, $result); return $result[1][0]; } function f4($str) { $result = array(); preg_match_all("/(?:\[)(.*)(?:\])/i",$str, $result); return $result[1][0]; } function f5($str) { $result = array(); preg_match_all("/(?:\{)(.*)(?:\})/i",$str, $result); return $result[1][0]; }
PS: (?:字符) 表示不捕获这个字符。貌似PHP不支持将字符换成括号。
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