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module MoreCoreExtensions
module StringFormats
# From: http://www.regular-expressions.info/email.html
RE_EMAIL = %r{\A[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\z}i
def email?
!!(self =~ RE_EMAIL)
end
# From: Regular Expression Cookbook: 7.15 Validating Domain Names
RE_DOMAINNAME = %r{^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}$}i
def domain_name?
!!(self =~ RE_DOMAINNAME)
end
# Based on RFC 1034
RE_HOSTNAME = %r{^((?![0-9]*$)+(?![0-9]*\.))(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])$}i
def hostname?
!!(self =~ RE_HOSTNAME)
end
# From: Regular Expression Cookbook: 7.16 Matching IPv4 Addresses
RE_IPV4 = %r{^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$}
def ipv4?
!!(self =~ RE_IPV4)
end
# From: Regular Expression Cookbook: 7.17 Matching IPv6 Addresses
RE_IPV6 = %r{^(?:(?:(?:[A-F0-9]{1,4}:){6}|(?=(?:[A-F0-9]{0,4}:){0,6}(?:[0-9]{1,3}\.){3}[0-9]{1,3}$)(([0-9A-F]{1,4}:){0,5}|:)((:[0-9A-F]{1,4}){1,5}:|:))(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:[A-F0-9]{1,4}:){7}[A-F0-9]{1,4}|(?=(?:[A-F0-9]{0,4}:){0,7}[A-F0-9]{0,4}$)(([0-9A-F]{1,4}:){1,7}|:)((:[0-9A-F]{1,4}){1,7}|:))$}i
def ipv6?
!!(self =~ RE_IPV6)
end
def ipaddress?
ipv4? || ipv6?
end
RE_INTEGER = %r{^-?[0-9]+$}
def integer?
!!(self =~ RE_INTEGER)
end
RE_GUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/
def guid?
!!(self =~ RE_GUID)
end
end
end
String.send(:include, MoreCoreExtensions::StringFormats)
Version data entries
12 entries across 12 versions & 1 rubygems