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External Data Source

Source

Regular Expression
(?:^|\s)([a-z]{3,6}(?=://))?(://)?((?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?))(?::(\d{2,5}))?(?:\s|$)