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External Data Source

Source

Regular Expression
^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9]+(-?[a-z0-9]+)?(\.[a-z0-9]+(-?[a-z0-9]+)?)*\.([a-z]{2}|xn\-{2}[a-z0-9]{4,18}|arpa|aero|asia|biz|cat|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|pro|tel|travel|xxx)$