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  1. or download this
    >perl -wMstrict -le
    "my $string =
    ...
    uuu     vvv     'www            '       xxx     '               yyy'  
    +  zzz
    
    uuu     vvv     'www'   xxx     'yyy'   zzz
    
  2. or download this
    use warnings;
    use strict;
    ...
       { (my $notabs = $1) =~ tr{\t}{}d;  $notabs }xmsge;
    
    print qq{$string};
    
  3. or download this
    uuu     \"vvv   "notab          "       xxxx    "               no\"ta
    +b"        zzz
    uuu     \"vvv   "notab" xxxx    "no\"tab"       zzz