2016-11-19 15:12:41 -0800, Paul Eggert: > Aaron Crane wrote: > >I'm not sure it's ideal to use the Perl documentation as > >a comprehensive guide to PCRE: > > Unfortunately libpcre does not document the regular expression > syntax it supports. Neither does the grep manual, for 'grep -P'. And > as you've mentioned, the Perl manual isn't a reliable source for > libpcre either. So users of 'grep -P' cannot rely on any > documentation for behavior; it's an unwritten tradition instead. [...]
You've missed "man pcrepattern". See also "man pcresyntax" for the cheat sheet and "man pcre" for the index of all the PCRE man pages. If that's a consolation, I also had been using PCRE years before I discovered that man page (which I find of very high quality btw) few years ago. -- Stephane
