2010/5/4 Elan Ruusamäe <glen@xxxxxxxx>: > On Tuesday 04 May 2010 14:39:10 Simon Elliot wrote: >> Ahhh... if only it were that simple! Thanks for the thought, but the >> regex: "\w{3}" would mean any 3 alphanumeric word characters, not the same >> character repeated 3 times. So it would recognise "abc" "iou "imo" etc..., >> as well as 'aaa', 'bbb'. > > whoops, you're right! but you can still do (\w)\1{3} i suppose :P No you can't. Read Chris' answer instead of guessing. Simon, if you really just need 3 letters you could just write them all in a non-catching group: (?:aaa|bbb|ccc|ddd|....|xxx|yyy|zzz) Not elegant but could be a solution. Andi -- splitbrain.org -- DokuWiki mailing list - more info at http://www.dokuwiki.org/mailinglist