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JScript code:

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var s = "aaadsfdgdg[attach]223[/attach]dgfdhfgjgf[attach]2423[/attach]dgdgfdhf";
re = /\[.*?\].*?\]/;
var r = s.replace(re,"");
alert(r);

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JScript code:

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var s = "aaadsf2333dgdgdf234dfff";
var re = /[\d]+/g;
var r = s.replace(re,"");
alert(r);

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PHP code
ɾ³ý[attach][/attach]$s="aaadsfdgdg[attach]223[/attach]dgfdhfgjgf[attach]2423[/attach]dgdgfdhf";$r=preg_replace("/\[.*?\].*?\]/","",$s);echo$r;

ɾ³ýÊý×Ö$s="aaadsf2333dgdgdf234dfff";$r=preg_replace("/[\d]+/","",$s);echo$r;

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