How to match hyphens with Regular Expression?

Question

How to rewrite the [a-zA-Z0-9!$* \\t\\r\\n] pattern to match hyphen along with the existing characters ?

Answer 1

[-a-z0-9]+,[a-z0-9-]+,[a-z-0-9]+ and also [a-z-0-9]+ all are same.The hyphen between two ranges considered as a symbol.And also [a-z0-9-+()]+ this regex allow hyphen.