You are going to get one extra hyphen because

print ( $common_letters[ $_ ] || "-" ) for ( 0 .. length $reference );

[download]

should be

print ( $common_letters[ $_ ] || "-" ) for ( 0 .. length( $reference )
+ - 1 );

[download]

Cheers,

JohnGG

In reply to Re^2: Matching or masking specific characters in an array of strings by johngg
in thread Matching or masking specific characters in an array of strings by duggles

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