public static int splitOperator( String criteria )
	{
		int i = 0;
		for(; i < criteria.length(); i++ )
		{
			char c = criteria.charAt( i );
			if( Character.isJavaIdentifierPart( c ) )
			{
				break;
			}
			if( (c == '*') || (c == '?') )
			{
				break;
			}
		}
		return i;
	}