That should be \0322. The leading zero makes it an octal number. \322 matches a previously captured match.

Update: Hmmm... I dropped the ball on regex numbers. This seems to do what you want: 

$ perl -w -e '$_="Hello there\n"; s/t/\322/; print; s/^.*\322/yes/; pr
+int'
Hello ̉here
yeshere

[download]
The minimalizing '?' seems to be the problem. Enclosing (.*?) in parens also works.

After Compline,
Zaxo

In reply to Re: High bit bug in RE? by Zaxo
in thread High bit bug in RE? by tommyw

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