Bug 188407
Summary: | RegExp.exec returns wrong value with pattern "(?!(a)b)|ab" | ||
---|---|---|---|
Product: | WebKit | Reporter: | isol2 |
Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
Status: | NEW | ||
Severity: | Normal | CC: | fpizlo, msaboff |
Priority: | P2 | ||
Version: | Safari 11 | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
See Also: | https://bugs.webkit.org/show_bug.cgi?id=210576 |
isol2
OS: Ubuntu 16.04 x64
jsc build version: 234689
Steps to reproduce:
t = new RegExp ("(?!(a)b)|ab").exec("ab");
print(t[0] == "ab");
print(t[1] == undefined);
print(t)
Actual results:
true
false
ab,a
Expected results:
true
true
ab,
V8, SpiderMonkey and Chakra works as expected.
cinfuzz
Attachments | ||
---|---|---|
Add attachment proposed patch, testcase, etc. |