if you want to match all instances of "hello" wether it is "HELLO","Hello" or "hello" you should also change the line: 
if ($hex_string =~ /\hello/)

[download]
to: 
if (lc($hex_string)) =~ /\hello/)

[download]

In reply to Re: Hex string search all files in directory by bdalzell
in thread Hex string search all files in directory by starface245

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