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Using Regular Expressions to Validate an IP Address in Ruby

Did you know that the Ruby standard library includes regular expressions for validating both IPv4 and IPv6 addresses?

Comments

The RDF gem has it's own regular expressions for validating IRIs: https://github.com/ruby-rdf/rdf/blob/master/lib/rdf/model/uri.rb. You can also use RDF::URI#valid?gkellogg - August 28, 2013 19:31

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