I have a variable $location whose value is data,I want to match another variable $file with /$location/ making the later "/" optional,meaning match $file to /data/(later "/" is optional),how can I make the later "front slash(/)" optional?If it is present it should match,if it not present ignore 

$location="data";

next if $file !~ /$location[/]

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In reply to Making the later front slash "/" optional by Anonymous Monk

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