That probably means that one (or more) of your robot identifier strings contain *+ or another illegal combination of *+?{...}.

If you look at my original posting you'll see that it maps the strings through quotemeta, which escapes those characters, making them safe to use in a regex.

In reply to Re^5: Deleting a matching string in an array by moritz
in thread Deleting a matching string in an array by Shamaeso

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