function isUNCPath( value ) {
	return (
		isString( value ) &&
		RE_UNC_PATH.test( value )
	);
}
Tests if a value is a UNC path.

@param {*} value - value to test
@returns {boolean} boolean indicating if a value is a UNC path

@example
var bool = isUNCPath( '\\\\server\\share\\foo\\bar\\baz' );
// returns true

@example
var bool = isUNCPath( '/foo/bar/baz' );
// returns false