From: Adam Akhtar Date: 2008-02-28T07:40:36+09:00 Subject: Re: regex and lookahead to specific number of chars Thanks Fred and Robert for that. I dont understand what the \1 does. I know if i remove it it removes all the characters before the 10th and if i include it in keeps them. Why is this? -- Posted via http://www.ruby-forum.com/.