PHP 正则表达式、反则轮换字符串
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2022-05-16 11:28:55
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PHP 正则表达式、反则替换字符串
代码:
?
? //反则,保留除了A-Za-z0-9@\*的字符
??? $word = "6915-615@JPY11890*5822?" ;
??? $par = array('/[^A-Za-z0-9@\*]/');?
??? $word = preg_replace($par, "", $word);
??? echo ??? $word;
??? echo "
";
??? //正则,剔除A-Za-z0-9@\*字符
??? $word = "6915-615@JPY11890*5822?" ;
??? $par = array('/[A-Za-z0-9@\*]/');?
??? $word = preg_replace($par, "", $word);
??? echo ??? $word;
结果:
?
6915615@JPY11890*5822
-
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