Regex only allow letters and some characters

Question

I am attempting to create a regex that only allows letters upper or lowercase, and the characters of space, \'-\', \',\' \'.\', \'(\', and \')\'. This is what I have so far but

Answer 1

I tried that with javascript and it works fine. The others are correct, though. If in javascript, check if everything works fine or else the check will not happen at all.