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External Data Source

Source

Regular Expression
(\d{2}|\d{4})(?:\-)?([0]{1}\d{1}|[1]{1}[0-2]{1})(?:\-)?([0-2]{1}\d{1}|[3]{1}[0-1]{1})(?:\s)?([0-1]{1}\d{1}|[2]{1}[0-3]{1})(?::)?([0-5]{1}\d{1})(?::)?([0-5]{1}\d{1})