Improve the regex used for NameEmail validation #6125
Merged
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Closes #2955
While I agree it would be better to move the logic to rust as suggested in #2955 (comment), in the interest of fixing this for users, I would suggest we just make this change now.
Happy to add more test cases, special callout to @henrybetts for doing the research and putting together an improved regex ages ago. I took an approach inspired by #2955 (comment), and just cleaned up the regex a bit (and used a function to build it to get a bit better implicit documentation), and the tests all seem to be passing now as desired.
If anyone wants more tests cases let me know, but I think this covers the ones called out explicitly in the issue.
Selected Reviewer: @Kludex