On Mon, Dec 22, 2008 at 10:09 AM, elioncho <[email protected]> wrote: > > Hello, > > I am trying to apply a gsub! to a string. I want to know how to make > the pattern evaluate that everything that IS NOT numbers, letters or > commas should be replaced with ""(nil). Any ideas in how to do this > pattern?
irb(main):009:0> "123***,ABC,$$%abc,----+X+----".gsub(/[^\w,]/, '') => "123,ABC,abc,X" Build a character class with [] Then choose \w and , as characters in the class that you want (although note that \w includes all alphanumerics and _) Then negate them both with ^ at the start of the character class Much more information about Regexp in Ruby can be found here: http://www.ruby-doc.org/docs/ProgrammingRuby/html/tut_stdtypes.html#S4 -Michael -- Michael C. Libby www.mikelibby.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
