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External Data Source

Source

Regular Expression
([0-1][0-9]|2[0-4]):(0[0-9]|[1-5][0-9]):(0[0-9]|[1-5][0-9])(\.[0-999])?((\+|-)([0-1][0-9]|2[0-4]):(0[0-9]|[1-5][0-9])|Z)?