路径path的正则通配符-nodejs

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function regDir(str){     var reg=str     if(typeof reg=="string"){         reg=reg.replace(/[\[\]\\\^\:\.\?\+]/g,function(m){             return "\\"+m;         })         reg=reg.replace(/\*\*|\*/g,function(m){             if(m=="**"){                 return "[\\w\\W]*";             }else{                 return "[^\\\/]*";             }           })         reg=new RegExp(reg,"gi")     }     return reg } String.prototype.Test=function(regStr){     var reg=regDir(regStr)     return reg.test(this) } String.prototype.Replace=function(regStr,fn){     var reg=regDir(regStr)     return this.replace(reg,fn); } //是否符合 var str="http://www.baidu.com/b/da.js?n=21" str=str.Replace("(http://**/*)?*",function(m,p1,p2){     console.log(p1)     return p1 }) str.Replace("http:/(/**/)*",function(m,p1,p2){     console.log(p1) })