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External Data Source

Source

Regular Expression
href=(?<QUOTE>[\""\'])?(?<URL>(?<SCHEME>(file|ftp|http|https|news|nntp):\/\/|mailto\:)?(?<EMAIL>[\w-]+@)?(?<HOST>(?(SCHEME)[\w]+(\.[\w-]+)*?))(?<PATH>\/?\w*[\w-%\:\.\+\/]+)?(?<QUERY>\?[\w-%\+:\.]*(=[\w-%\+:\.]*)?(&[\w-%\+\:\.]*(=[\w-%\+:\.]*)?)*)?(?<ANCHOR>\#[\w-%\+:\.]+)?)(?<-QUOTE>[\""\'])?(?#VALIDATE QUOTES/URL)(?(PATH)|(?(SCHEME)|(?!)))(?(QUOTE)(?!))