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External Data Source

Source

Regular Expression
^(([0-9]{1})|([0-9]{1}[0-9]{1})|([1-3]{1}[0-6]{1}[0-5]{1}))d(([0-9]{1})|(1[0-9]{1})|([1-2]{1}[0-3]{1}))h(([0-9]{1})|([1-5]{1}[0-9]{1}))m$