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External Data Source

Source

Regular Expression
/(2|3)[0-9][0-9][0-1][0-9][0-3][0-9](01|02|03|04|11|12|13|14|15|16|17|18|19|21|22|23|24|25|26|27|28|29|31|32|33|34|35|88)\d\d\d\d\d/