How can I delete special characters?

Question

I\'m practicing with Ruby and regex to delete certain unwanted characters. For example:

input = input.gsub(/<\\/?[^>]*>/, \'\')

and fo

Answer 1

An easier way to do this inspirated by Can Berk Güder answer is:

In order to delete special characters:

input = input.gsub(/\W/, '')

In order to keep word characters:

input = input.scan(/\w/)

At the end input is the same! Try it on : http://rubular.com/