Re: Count multiple pattern matches

removing previous keywords from a string should make your algoritm faster.

...
foreach my $k (@keywords){
  my $matches_count = ( ($string =~ s/$k//ig ) );
...
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Comment on Re: Count multiple pattern matches Download Code

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Re^2: Count multiple pattern matches by calin (Deacon) on Dec 08, 2004 at 15:22 UTC
This won't work correctly if keywords overlap. For example, consider the string `foops`. This actually matches both `foo` and `oops`. But if you remove `foo` in the first iteration, the remaining string (`ps`) won't match the keyword `oops`, thus reducing the match count for `oops` from 1 (the correct result) to 0.	[reply] [d/l] [select]