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I Need regular expression that will match the string '123_456_7890' not '123_456_789' On Jun 4, 9:38 am, Peter De Berdt <peter.de.be...@pandora.be> wrote: > On 04 Jun 2010, at 14:28, Srinivas Golyalla wrote: > > > Can u help me in simple regular expression that will match the string > > ‘123_456_7890’ but not ‘123_456_789’. > > The thing you're asking is not very specific, there's a lot to be > interpreted, but this might be what you are looking for: \d{3}_\d{3}_ > \d{4} > > Best regards > > Peter De Berdt -- 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 rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.