jQuery only allow numbers,letters and hyphens

Question

How can I remove everything but numbers,letters and hyphens from a string with jQuery?

I found this code which allows only alphanumerical characters only but I\'m no

Answer 1

Since there is so much attention on including a hyphen within a character class amongst these answers and since I couldn't find this information readily by Googling, I thought I'd add that the hyphen doesn't need to be escaped if it's the first character in the class specification. As a result, the following character class will work as well to specify the hyphen in addition to the other characters:

[-a-zA-Z0-9]