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| Syntactic Confectionery Delight | |
| PerlMonks |
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?? |
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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).
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