字符串跟表达式转换 regexp

热度：486 发布时间：2012-10-26 10:30:59.0

字符串和表达式转换 regexp

?/**
?*var str=",1,2,3,4,5,"
?*var a=",3,";
?*str.replace(new RegExp(a),","));??? ,1,2,4,5,
?*/

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