if(!dojo._hasResource["dojo.data.util.filter"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.dojo._hasResource["dojo.data.util.filter"] = true;dojo.provide("dojo.data.util.filter");dojo.data.util.filter.patternToRegExp = function(/*String*/pattern, /*boolean?*/ ignoreCase){	//	summary:  	//		Helper function to convert a simple pattern to a regular expression for matching.	//	description:	//		Returns a regular expression object that conforms to the defined conversion rules.	//		For example:  	//			ca*   -> /^ca.*$/	//			*ca*  -> /^.*ca.*$/	//			*c\*a*  -> /^.*c\*a.*$/	//			*c\*a?*  -> /^.*c\*a..*$/	//			and so on.	//	//	pattern: string	//		A simple matching pattern to convert that follows basic rules:	//			* Means match anything, so ca* means match anything starting with ca	//			? Means match single character.  So, b?b will match to bob and bab, and so on.	//      	\ is an escape character.  So for example, \* means do not treat * as a match, but literal character *.	//				To use a \ as a character in the string, it must be escaped.  So in the pattern it should be 	//				represented by \\ to be treated as an ordinary \ character instead of an escape.	//	//	ignoreCase:	//		An optional flag to indicate if the pattern matching should be treated as case-sensitive or not when comparing	//		By default, it is assumed case sensitive.	var rxp = "^";	var c = null;	for(var i = 0; i < pattern.length; i++){		c = pattern.charAt(i);		switch (c) {			case '\\':				rxp += c;				i++;				rxp += pattern.charAt(i);				break;			case '*':				rxp += ".*"; break;			case '?':				rxp += "."; break;			case '$':			case '^':			case '/':			case '+':			case '.':			case '|':			case '(':			case ')':			case '{':			case '}':			case '[':			case ']':				rxp += "\\"; //fallthrough			default:				rxp += c;		}	}	rxp += "$";	if(ignoreCase){		return new RegExp(rxp,"i"); //RegExp	}else{		return new RegExp(rxp); //RegExp	}	};}