On Sat, 24 May 2008 17:57:45 +0200 Alan McKinnon <[EMAIL PROTECTED]> wrote:
> On Saturday 24 May 2008, Robin Atwood wrote: > > But why does "[[:space:]]+" work and "\s+" fail? > > Apparently because \s is not a synonym for [[:space:]] As Robin's already pointed out, \s is part of Perl's regex syntax. If you've compiled grep with the pcre useflag, you can use grep -P > I've heard this one before but never got it to work and never seen it > in writing. Do you have a reference for where you read it? If you've emerged libpcre, then man pcrepattern has all the gory details. A lot of regular expressions floating around the interweb use pcre syntax, because libpcre has been ported to Windows. E.g., several Windows newsreaders use it for scoring. -- »Q« Kleeneness is next to Gödelness. -- gentoo-user@lists.gentoo.org mailing list