在扼杀结束时,如何消除所有非字母数字特性。 例如:
Quick @# brown fox -
Quick @# brown fox##
Quick @# brown fox
Quick @# brown fox @$#
......
Quick @# brown fox
力求尽可能使用<代码>preg_replace,因为ereg_replace
已作解释。
还可以 t,允许在扼杀、引引引、挖掘标记、问题标记之后具有特定的非字母数字特性。
在扼杀结束时,如何消除所有非字母数字特性。 例如:
Quick @# brown fox -
Quick @# brown fox##
Quick @# brown fox
Quick @# brown fox @$#
......
Quick @# brown fox
力求尽可能使用<代码>preg_replace,因为ereg_replace
已作解释。
还可以 t,允许在扼杀、引引引、挖掘标记、问题标记之后具有特定的非字母数字特性。
$str = Quick @# brown fox @$# ;
$rep = preg_replace( /[^a-z0-9]+/i , , $str);
var_dump($rep);
$rep = preg_replace( /W+$/ , , $str);
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