Path: utzoo!news-server.csri.toronto.edu!rutgers!ub.d.umn.edu!cs.umn.edu!spool.mu.edu!uunet!rbj From: rbj@uunet.UU.NET (Root Boy Jim) Newsgroups: comp.lang.perl Subject: Re: Frequently Asked Questions about Perl - with Answers [Monthly posting] Message-ID: <125278@uunet.UU.NET> Date: 11 Mar 91 19:41:16 GMT References: <1991Mar08.025232.21050@convex.com> <1991Mar08.131601.23812@convex.com> Organization: UUNET Communications Services, Falls Church, VA Lines: 15 In article <1991Mar08.131601.23812@convex.com> tchrist@convex.COM (Tom Christiansen) writes: >From the keyboard of emv@ox.com (Ed Vielmetti): >:Speaking of which, what's the limits on the number of parentheses that >:a regular expression can have? I got an unpleasant message > >Nine. To accept more, Larry would have to change the code that >recognizes \1 .. \9 and $1 .. .$9. True enuf. I have a suggestion, however. Ksh allows ${12} to get the twelfth parameter on the command line. Perl could do the same. On the other hand \12 would be harder. -- [rbj@uunet 1] stty sane unknown mode: sane