Date: Sun, 5 Dec 2010 19:56:30 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Gary Kline <kline@thought.org> Cc: perryh@pluto.rain.com, freebsd-questions@freebsd.org Subject: Re: regex question.... Message-ID: <20101205194739.U20283@sola.nimnet.asn.au> In-Reply-To: <20101205073614.AE4C01065785@hub.freebsd.org> References: <20101205073614.AE4C01065785@hub.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
In freebsd-questions Digest, Vol 339, Issue 11, Message: 30 On Sat, 4 Dec 2010 18:23:08 -0800 Gary Kline <kline@thought.org> wrote: > On Sat, Dec 04, 2010 at 05:56:59PM -0800, perryh@pluto.rain.com wrote: > > Joshua Gimer <jgimer@gmail.com> wrote: > > > > > On Sat, Dec 4, 2010 at 5:26 PM, Gary Kline <kline@thought.org> wrote: > > > > I have tried :1,$/s/[0-9]][0-9][0-9]/foo/g > > > Why not just %s/[0-9]*/foo/g > > > > Too broad -- it will match the null string. (* means "zero or more > > instances of" whatever preceded it.) > > > > Best RE I know for integers is > > > > [1-9][0-9]* > > > > (or replace the 1 with a 0 if the strings in question might have > > leading zeros). > > > YES, and Perry get an A+; the numbers do start with 1; no > leading 0's. Except 0 itself? :) You originally specified "ints from 0 to some N." I think you want either [0-9][0-9]* or just [0-9]+ (one or more digits) cheers, Ian
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20101205194739.U20283>