I'd suggest using: 
$pattern = "whatever";
$mode = "(?";
$mode .= "i" if $case_insensitive;
$mode .= "s" if $dot_matches_all;
$mode .= "m" if $multiline_match;
$mode .= "x" if $allow_comments;
$mode .= ")";
$count++ while $string =~ /$mode$pattern/o;

[download]
Voila.

In reply to RE: RE: Count String Occurrences by japhy
in thread Count String Occurrences by Anonymous Monk

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