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External Data Source

Source

Regular Expression
^(ftp|https?):\/\/([^:]+:[^@]*@)?([a-zA-Z0-9][-_a-zA-Z0-9]*\.)*([a-zA-Z0-9][-_a-zA-Z0-9]*){1}(:[0-9]+)?\/?(((\/|\[|\]|-|~|_|\.|:|[a-zA-Z0-9]|%[0-9a-fA-F]{2})*)\?((\/|\[|\]|-|~|_|\.|,|:|=||\{|\}|[a-zA-Z0-9]|%[0-9a-fA-F]{2})*\&?)*)?(#([-_.a-zA-Z0-9]|%[a-fA-F0-9]{2})*)?$