https://bugs.exim.org/show_bug.cgi?id=2158
Petr Pisar <ppisar@???> changed:
What |Removed |Added
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CC| |ppisar@???
--- Comment #1 from Petr Pisar <ppisar@???> ---
This reduces to /[\w-_]/:
$ pcre2test
PCRE2 version 10.30 2017-08-14
re> /[\w-_]/
Failed: error 150 at offset 3: invalid range in character class
re>
The error is fine because you try to make a range where the left side is not a
single code point but a set of characters (\w). Perl also raises a warning on
these expressions:
$ perl -w -e '/[\w-_]/'
False [] range "\w-" in regex; marked by <-- HERE in m/[\w- <-- HERE _]/ at -e
line 1.
Use of uninitialized value $_ in pattern match (m//) at -e line 1.
The expression is ill. You need to escape the hyphen character.
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