Re: Regex: fail if ... present

2014-05-30 Thread Moritz Lenz
Hi Peter, On 30.05.2014 20:46, Peter Schwenn wrote: Dear Perl6istes, How does one express in a perl6 match pattern that if a certain subpattern is present the match fails. I had expected something like: $txt ~~ s/... -[ unwanted \s+ pattern ] .../ .../; but its not that. Can't

Re: Regex: fail if ... present

2014-05-30 Thread Moritz Lenz
Hi Peter, On 30.05.2014 22:39, Peter Schwenn wrote: Dear Moritz, $txt ~~ s:g/ !before System \. Guid /.Moniker/; transforms (in $txt):System.Guid - System.Moniker i.e. the match succeeds. So obviously I'm not understanding negative look-ahead correctly. Where's there a good