String regExpGroupName(String elementName) {
        for (String regexp : sortedRegExpList) {
            if (elementName.startsWith(regexp)) {
                return regExpGroupMap.get(regexp);
            }
        }
        return null;
    }
String regExpGroupName ( String elementName ) { for ( String regexp : sortedRegExpList ) { if ( elementName . startsWith ( regexp ) ) { return regExpGroupMap . get ( regexp ) ; } } return null ; }
Search for element name in the sorted regular expression
list, if found return the group name.  If not, return null.

@param elementName Name of element to be found in the regular
expression list.