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External Data Source

Source

Regular Expression
^\$?(?(?=[0-9])[0-9]{1,5}:\$?[0-9]{1,5}|[A-Za-z]{1,2}(?(?=:):\$?[A-Za-z]{1,2}|(?(?!(\$?[0-9])):/$[A-Za-z]{1,2}|\$?[0-9]{1,5})(?(?=:):\$?[A-Za-z]{1,2}\$?[0-9]{1,5}|.)))