I think that is a good suggestion. But perhaps it would be a good idea to take the flag as the second parameter (and use it optional) like this: 
sub do_selection ($;$) {
    my $match = shift;
    my $flag  = shift || 0;

...

[download]
In this case you don't have to change lots of other calls of do_selection.

In reply to Re: Re: positive regex for inverted match by Crian
in thread positive regex for inverted match by kgimpel

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