check on is_email() to be more RFC5322 compliant#7207
check on is_email() to be more RFC5322 compliant#7207brobken wants to merge 1 commit intoWordPress:trunkfrom
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I've seen an increased abuse on our different form plugins lately, which are basicly relying on this function as a basis to very if an e-mailaddress is valid.
I've added another RegEx that checks if there are misplaced periods in the local part of the e-mailaddress.
It checks wether if it has a dot at the start, end or a dot sequence.
This is based on the RFC5322 standard.
Trac ticket: https://core.trac.wordpress.org/ticket/17491
This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.