From: Troy Denkinger <tdenkinger@...>
Date: 2006-06-29T02:11:09+09:00
Subject: Re: remove all illegal chars form string

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This is definitely regex territory.  And gsub() is the thing:

ex =3D "exam@p  Le3|=A7"
puts ex.gsub( /[^A-Za-z0-9]/, '' )

> exampLe3

Or

puts "exam@p  Le3|=A7".gsub( /[^A-Za-z0-9]/, '' )

> exampLe3

I assume you wanted the 3 in there, since you asked for numbers in your
range of characters.  Whe doing something like this, in my opinion, it's
best to not try to roll your own.

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