Re: Can't figure out how to invert this regex

[anniyan]

You are using variable length in negative look behind, as per the perl regex tutorial perlre, we cannot use variable length in negative look behind condition. Rather we can use variable length in positive and negative look ahead.

updated:Thanks sauoq and apologises for the mistake.

[sauoq]

Rather we can use variable length in positive look behind

No, that's incorrect. Variable length patterns are supported in neither negative nor positive look-behind.

[Anonymous Monk]

Ah... so:



s/&(?!.{2,10}?;)/REPLACED/g;

Gives me what i need. Thanks.