[wp-hackers] Apostrophes and is_email() alternative

[Tom Barrett]

I'm looking at an 'apostrophe in email' issue. The codex page for
is_email() says it is deprecated (but not what to use instead). Other
functions in core appear to use the function (eg: sanitize_option()).

Trying to add a user to a vanilla 3.6.1 install with an apostrophe in the
email fails.

What is the accepted method to check email validity (for use as WordPress
user accounts)?

Is there a good reason not to use FILTER_VALIDATE_EMAIL ?

Thanks.

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