function isRegExp( value ) {
	if ( typeof value === 'object' ) {
		if ( value instanceof RegExp ) {
			return true;
		}
		if ( FLG ) {
			return test( value );
		}
		return ( nativeClass( value ) === '[object RegExp]' );
	}
	return false;
}
Tests if a value is a regular expression.

@param {*} value - value to test
@returns {boolean} boolean indicating whether value is a regular expression

@example
var bool = isRegExp( /\.+/ );
// returns true

@example
var bool = isRegExp( {} );
// returns false