^[a-zA-Z0-9._%+-]+@...
^01[0-9]-\d{3,4}-\d{4}$
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^(\d{1,3}\.){3}\d{1,3}$
^\d{4}-\d{2}-\d{2}$
^#[0-9A-Fa-f]{6}$
(?=.*[A-Z])(?=.*[0-9])...
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