//>>built
define("dojo/regexp",["./_base/kernel","./_base/lang"],function(_1,_2){var _3={};_2.setObject("dojo.regexp",_3);_3.escapeString=function(_4,_5){return _4.replace(/([\.$?*|{}\(\)\[\]\\\/\+\-^])/g,function(ch){if(_5&&_5.indexOf(ch)!=-1){return ch;}return "\\"+ch;});};_3.buildGroupRE=function(_6,re,_7){if(!(_6 instanceof Array)){return re(_6);}var b=[];for(var i=0;i<_6.length;i++){b.push(re(_6[i]));}return _3.group(b.join("|"),_7);};_3.group=function(_8,_9){return "("+(_9?"?:":"")+_8+")";};return _3;});