https://bugs.exim.org/show_bug.cgi?id=2120
Bug ID: 2120
Summary: PCRE2_NO_UTF_CHECK does not disable all checks
Product: PCRE
Version: 10.23 (PCRE2)
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: ph10@???
Reporter: rob@???
CC: pcre-dev@???
I'm using PCRE2 in UTF-8 mode for the JS interpreter of a custom web browser.
Works great. Thanks for the awesome library.
Unfortunately, some major websites use routine housekeeping regexes which test
for undesirable characters including \ud800-\udfff.
This causes the regex compile to fail on line 1473 of pcre2_valid_utf.c at ...
if (c >= 0xd800 && c <= 0xdfff) *errorcodeptr = ERR73;
PCRE2_NO_UTF_CHECK should disable this check but doesnt.
This error means a significant number of websites cant be viewed properly, so
i'm hand patching these lines of code with each new release of PCRE, but a
Google search shows plenty of other developers have been having problems with
this error for many years.
It would probably help a lot of people if PCRE2_NO_UTF_CHECK worked as expected
and disabled all UTF checks.
Thanks,
Rob
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