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External Data Source

Source

Regular Expression
(0[1-9]|[12][0-9]|3[01])\s(J(anuary|uly)|Ma(rch|y)|August|(Octo|Decem)ber)\s[1-9][0-9]{3}| (0[1-9]|[12][0-9]|30)\s(April|June|(Sept|Nov)ember)\s[1-9][0-9]{3}| (0[1-9]|1[0-9]|2[0-8])\sFebruary\s[1-9][0-9]{3}| 29\sFebruary\s((0[48]|[2468][048]|[13579][26])00|[0-9]{2}(0[48]|[2468][048]|[13579][26]))