After you've opened and read the file (or web page) into an array, join all lines with join(). 
open(FILE, "$filename");
@lines = <FILE>;
close(FILE);

$content = join('', @lines);
After this, $content will be single-line and it is easy to do regexp with your existing functions.

In reply to Re: Apply regex to entire file, not just individual lines ? by juahonen
in thread Apply regex to entire file, not just individual lines ? by Anonymous Monk

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