I've just wanted to demonstrate the technic without much clutter, but you're absolutely right. I should take care to demonstrate the best practice which is using local our instead of my along with (?{ }).

Here's a great thread explaining the reason behind this for the interested monks (including ikegami's notes): Regexes: finding ALL matches (including overlap).

In reply to Re^3: Determining which pattern matched by rubasov
in thread Determining which pattern matched by Anonymous Monk

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