わざわざ正規表現を使用しないでください。有効な電子メール アドレスの範囲は膨大であり、最良の正規表現でさえ一部を見逃しています。メールを検証したい場合は、ドメインのメールサーバーに話しかけて、アドレスが有効かどうか尋ねてください。
参考までに、最も有効なメール アドレスを取得する正規表現を次に示します。
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