Thank you so much for such a detailed explanation and the piece of code. It works as expected, but takes similar time to my code. Mine takes 1min 35 secs and this takes 1min 32secs. Can you please help me to optimize it at least up to 40 secs ? waiting for your response :)

In reply to Re^2: Multiple patterns match in a big file and track the counts of each pattern matched by ansh007
in thread Multiple patterns match in a big file and track the counts of each pattern matched by ansh007

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