From: Robert Klemme <shortcutter@...>
Date: 2006-06-29T02:19:51+09:00
Subject: Re: remove all illegal chars form string

2006/6/28, thomas coopman <thomas.coopman@gmail.com>:
> Hi,
>
> Is there a simple way to remove all but the legal chars from a string.  where the legal chars are for example: a-z A-Z 0-9
> So everything should be removed from the string but these characters.
> "exam@p  Le3|�" --> "exampLe"

Some options:

s.gsub /[^a-zA-Z0-9]+/, ''
s.gsub /\W+/, ''

(or use gsub! if you want to change in place)

> I don't know very much about regular expressions, so I don't know if it's possible with sub or gsub.  My first Idea was to loop over the string and check every character but I wondered if there is something more simple or better.

Definitively.

Kind regards

robert

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