The problem is that [^\1] doesn't mean what you think it does. 

perl -ne's/(.)([^\1]*)/print "$1-$2\n"/eg;'
A234
A-234

AA
A-A

A-\
A--\

A-1
A--1

A-A
A--A

A1
A-1

[download]
See, the 2nd paren will match whatever it wants to. I'm not sure WHAT [^\1] means; it might be "anything but chr(1)", but I'm not sure.
--
Mike

In reply to Re: Strange regexp behavior by RMGir
in thread Strange regexp behavior by wine

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