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Re^2: How to use a negative backreference in regex?

by gone2015 (Deacon)
on Feb 28, 2009 at 13:36 UTC ( [id://747151] : note . print w/replies, xml ) Need Help??


in reply to Re: How to use a negative backreference in regex?
in thread How to use a negative backreference in regex?

Indeed. And the reason [^\1] doesn't work is... well because within a character class \1 means 1, not the contents of the capture buffer 1. Which is a long way of saying it doesn't work because it doesn't work (however plausible it may look).