RegEx for CSV validation + jQuery

Question

Using jQuery validation plugin but it has no CSV validation. I have made an additional validation for this but can\'t get the RegEx right.

Here is what I have:

Answer 1

Building on Chad's example, just switch [^,] to \w if you want only word characters. If you actually want just letters and digits, you'll need something like [a-z0-9] as \w includes the underscore character.

Based on your comment, see if

/^([a-z0-9])+(,[a-z0-9]+)*$/

does the trick.