IPv4 Regular Expression February 15th by Vitaly, Monday, February 15th, 2016 Accurate regular expression to match IPv4 address: ((([0-9])|(1[0-9][0-9]?)|([2-9][0-9])|(2[0-4][0-9])|(25[0...
Resolve External IP June 26th by Vitaly, Wednesday, July 1st, 2015 URL to resolve IPv4 address: http://ipv4.test-ipv6.com/ip/?callback=_jqjsp&asn=1&testdomain=test-ipv6....