#17100: Possible bad regex for email validator
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Reporter: reames@… | Owner: nobody
Type: Uncategorized | Status: new
Component: Core (Other) | Version: 1.3
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Around line 150 of /django/core/validators.py is a line in which I think
there's a missing backslash:
{{{
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"'
# quoted-string
missing backslash? ----^
}}}
If you look at the debug output of that part of the regex, I think the
backslash is what is meant.
{{{
>>> re.compile(r'[\001-\011]', re.DEBUG)
in
range (1, 9)
<_sre.SRE_Pattern object at 0x137e9b0>
>>> re.compile(r'[\001-011]', re.DEBUG)
in
range (1, 48)
literal 49
literal 49
<_sre.SRE_Pattern object at 0x137ea48>
}}}
Given this, the following email should fail: "\12"@example.com
A test case:
{{{assert(email_re.match('"\\\12"@example.com') == None)}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/17100>
Django <https://code.djangoproject.com/>
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