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A comment on Sculpting text with regex, grep, sed, awk, emacs and vim (2012). Parent comment

Re:Sculpting text with regex, grep, sed, awk, emacs and vim ... by shmerl on Tuesday July 29, 2014 @02:44AM (#8100987)
Not only if it uses different locales. Normally it is equal to [0-9]. Don't even start on Unicode and regexes.
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