[Issue 15750] net/isemail uses lots of redundant helper methods

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15750

--- Comment #2 from github-bugzilla at puremagic.com ---
Commits pushed to stable at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/5c31dd26ed289b397a4bad32ac29af6e77247ef7
Issue 15750 - remove substr from std.net.isemail

https://github.com/dlang/phobos/commit/e9ff980095462ee88713bcea3cc9852de5081e5b
Merge pull request #5585 from wilzbach/remove-substr

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