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  1. or download this
    #! /usr/local/bin/perl
    
    ...
    } else {
        print "strings $string1 and $string2 do not match!\n";
    }
    
  2. or download this
    matching part: the date is to
    difference: day
    difference: morrow
    
  3. or download this
    ...
    $concat = $string1 . "#!!#" . $string2;
    
    if ( $concat =~ m/^(.*)(.*)#!!#\1(.*)$/ ) {
    ...