Module: MoreCoreExtensions::StringFormats

Defined in:
lib/more_core_extensions/core_ext/string/formats.rb

Constant Summary collapse

RE_EMAIL =

From: www.regular-expressions.info/email.html

%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
RE_DOMAINNAME =

From: Regular Expression Cookbook: 7.15 Validating Domain Names

%r{^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}$}i
RE_HOSTNAME =

Based on RFC 1034

%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
RE_IPV4 =

From: Regular Expression Cookbook: 7.16 Matching IPv4 Addresses

%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]?)$}
RE_IPV6 =

From: Regular Expression Cookbook: 7.17 Matching IPv6 Addresses

%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}|:))$}i
RE_INTEGER = 
%r{^-?[0-9]+$}
RE_GUID = 
/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/

Instance Method Summary collapse

Instance Method Details

#domain_name? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 12

def domain_name?
  !!(self =~ RE_DOMAINNAME)
end

#email? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 6

def email?
  !!(self =~ RE_EMAIL)
end

#guid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 44

def guid?
  !!(self =~ RE_GUID)
end

#hostname? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 18

def hostname?
  !!(self =~ RE_HOSTNAME)
end

#integer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 39

def integer?
  !!(self =~ RE_INTEGER)
end

#ipaddress? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 34

def ipaddress?
  ipv4? || ipv6?
end

#ipv4? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 24

def ipv4?
  !!(self =~ RE_IPV4)
end

#ipv6? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/more_core_extensions/core_ext/string/formats.rb', line 30

def ipv6?
  !!(self =~ RE_IPV6)
end