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<?php $mailWithSpace = '"test space"@example.com'; $mailWithBackslashSpace = '"test\ space"@example.com'; var_dump(filter_var($mailWithSpace, FILTER_VALIDATE_EMAIL)); var_dump(filter_var($mailWithBackslashSpace, FILTER_VALIDATE_EMAIL));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) string(25) ""test\ space"@example.com"

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