function validateRegex(sRegex) {
		if (/.+/i.test(sRegex)) {
			return true;
		}
		Log.error("The regex value '" + sRegex + "' is not valid");
		return false;
	}
Checks if the specified regular expression is valid.
@param {string} sRegex The regular expression string to be validated
@returns {boolean} True of the specified regular expression string is valid, false otherwise
@private