Hard, but this seems to work
$a="John is following jane";
$a=~s/(jane)/ucfirst(lc($1));/iee;
print "$a\n";

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We do evaluation on right side of the substitution. With '#' in there it didn't work (might need more figuring out).

In reply to Re: Regex: Case insensitive search but case sensitive replace by Hena
in thread Regex: Case insensitive search but case sensitive replace by Anonymous Monk

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