That doesn't work as is?
#! perl -slw
use strict;
sub compatible {
my ($s1, $s2) = @_;
y/_/\0/c for $s1, $s2;
!(($s1 | $s2)=~y/\0//);
}
printf "%s v %s ? %s\n", @$_, compatible( @$_ ) ? 1 : 0
for [ qw[ _8__3__19 48____7__ ] ], # good
[ qw[ _8__3__19 4_8___7__ ] ], # bad
[ qw[ _8__3__19 48_____7_ ] ]; # bad
__END__
[11:18:29.65] P:\test>test
_8__3__19 v 48____7__ ? 0
_8__3__19 v 4_8___7__ ? 1
_8__3__19 v 48_____7_ ? 0
Examine what is said, not who speaks.
Silence betokens consent.
Love the truth but pardon error.
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