Dear graff

Thank you very much for your suggestions.
We found that not every regex with brace has an error.
The real range may not be so large.

 if ($str =~ /(\\x{[A-F\d]+})/i){    // error by perl -Tcw
 if ($str =~ /^(\d{2,4})[^\d](\d{2})/){     // no error by perl -Tcw

In reply to Re^2: Unescaped left brace in regex is passed through in regex by gzh
in thread Unescaped left brace in regex is passed through in regex by gzh

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