Fix code scanning alert no. 28: Inefficient regular expression

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src/js/modules/infragistics.templating.js

@@ -127,7 +127,7 @@
 				Use $.ig.regExp.sub.exec(tmpl) in order to get the substitution element in the tmpl string
 			*/
 			nonEncodeSub: /\{\{html\s+([\w\$\-]+(\.|\s)?[\w\$\-]*)+\}\}/,
-			forSub: /\$\{(([\w\$]+\.[\w\$]*)+)\}/,
+			forSub: /\$\{(([\w\$]+\.[\w\$]+)+)\}/,
 			arg: /args\[\d+\](?!.*\+)/,
 			/* type="RegExp" Matches any block directive in the template
 				Use $.ig.regExp.block.exec(tmpl) in order to get the block directive in the tmpl string