| Issue |
133314
|
| Summary |
[libc++] `<regex>`: Optional empty repetitions should not match
|
| Labels |
libc++
|
| Assignees |
|
| Reporter |
Alcaro
|
```
> "aaa".match(/(a?)+/)
Array [ "aaa", "a" ]
> "bbebbee".match(/((b)?(be)?)+bbee/)
Array(4) [ "bbebbee", "bbe", "b", "be" ]
```
~Firefox
But in libc++, the equivalent operations return `[ "aaa", "" ]` and `[ "bbebbee", "", undefined, undefined ]`.
Full example: https://godbolt.org/z/zYYenvEdb (blatantly modified from https://github.com/microsoft/STL/issues/5365)
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