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### 2490. `<regex>` needs lots of `noexcept`

Section: 30 [re] Status: New Submitter: Stephan T. Lavavej Opened: 2015-03-27 Last modified: 2015-05-05

Priority: 3

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Discussion:

Only 4 functions are marked `noexcept` in all of Clause 28. Many more need to be marked — for example, `regex_error::code()`, `basic_regex::swap()`, and `sub_match::length()`.

Proposed resolution: