Thanks, I did not realize the dangers of lexicals in this situation. Though in order to get the capture variable behavior of the OP's code, I made the following changes:
... $str =~ s/$re(?(?{++$cnt > $times})\A)/qq["$repl"]/gee; ... limited_re("111111111",qr/(1)/,'${1}5',2);
Though it would have worked with the code as it was if you included double quotes inside the single quotes of the replacement string, e.g., '"${1}5"'.

In reply to Re^3: Substitute (s///) a set of times by runrig
in thread Substitute (s///) a set of times by jryan

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