public static boolean isMethodString(final String str) {
		if (str == null) {
			return false;
		}
		return str.matches(TieConstants.METHOD_REGEX);
	}
public static boolean isMethodString(final String str) {
		if (str == null) {
			return false;
		}
		return str.matches(TieConstants.METHOD_REGEX);
	}
public static boolean isMethodString ( final String str ) { if ( str == null ) { return false ; } return str . matches ( TieConstants . METHOD_REGEX ) ; }
method string is start as $ follow by method name then with { and }. i.e.
$init{department.name}

@param str
the str
@return true, if is method string
method string is start as $ follow by method name then with { and } . i . e . $init { department . name }