1. substr($s1, 0, 1) eq substr($s2, 0, 1)

    [download]
  2. ( () = $s1 =~ /(M+)/ ) == ( () = $s2 =~ /(M+)/ )

    [download]
  3. ( my $s1_ = $s1 ) =~ tr/M/\1/c;
( my $s2_ = $s2 ) =~ tr/M/\2/c;
( ( $s1_ ^ $s2_ ) =~ tr/\0// ) >= 5

    [download]

Update: Nevermind. I misread #3.

In reply to Re: Can you help me re-write this code? by ikegami
in thread Can you help me re-write this code? by Anonymous Monk

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