msgBox check_ip("1.1.1.1")Function check_ip(ip) Dim regEx set regEx = new regExp regEx.pattern = "^(([01]?[\d]{1,2})|(2[0-4][\d])|(25[0-5]))(\.(([01]?[\d]{1,2})|(2[0-4][\d])|(25[0-5]))){3}$" check_ip = regEx.test(ip)End Function
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