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External Data Source

Source

Regular Expression
\b(0[0-9]|1[0-1])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])(\:)(0[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])\s*(AM|PM|A|P)\b