Regex Letters, Numbers, Dashes, and Underscores

Question

Im not sure how I can achieve this match expression. Currently I am using,

([A-Za-z0-9-]+)

...which matches letters and numbers. I would

Answer 1

Depending on your regex variant, you might be able to do simply this:

([\w-]+)

Also, you probably don't need the parentheses unless this is part of a larger expression.