Contents

module ValidatesFormattingOf
  class ValidatingMethods

    # This method is very close to allowing what is specified in RFC 5322 and RFC 5321
    def email
      /\A([^@\s]+)@((?:(?!-)[-a-z0-9]+(?<!-)\.)+[a-z]{2,})\Z/i
    end

    # Taken from Ryan Bates' screencast on extracting gems. Works extremely well. Thanks Ryan!
    # (slightly revised to work on MRI 1.8.7 and ree)
    def url
      /^https?:\/\/([^\s:@]+:[^\s:@]*@)?[A-Za-z\d\-]+(\.[A-Za-z\d\-]+)+\.?(:\d{1,5})?([\/?]\S*)?$/i
    end

    # No numbers of symbols. allows "-"
    def alpha
      /^([^\d\W]|[-])*$/
    end

    # Letters, numbers, and spaces
    def alphanum
      /^[A-Z0-9\s]+$/i
    end

    # Visa, Mastercard, Discver, and American Express
    def credit_card
      /^((4\d{3})|(5[1-5]\d{2})|(6011))-?\d{4}-?\d{4}-?\d{4}|3[4,7]\d{13}$/
    end

    # US Zip code. ##### or #####-####
    def us_zip
      /^\d{5}(-\d{4})?$/
    end

    # US Phone numbers.
    # Examples of valid formats:
    # * ###.###.####
    # * ###-###-####
    # * (###) ###-####
    # * (###)###-####
    # * #########
    # * ### ###-####
    def us_phone
      /^(\((\d{3})\)|\d{3})[ |\.|\-]?(\d{3})[ |\.|\-]?(\d{4})$/
    end

    # IP Address validation
    def ip_address
      /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/
    end

    # Social Security Number pattern
    def ssn
      /^\d{3}([-.]){1}\d{2}([-.]){1}\d{4}$/
    end

    # Matches CSS colors either in three or six digit formats
    def hex_color
      /^([A-F0-9]{6}|[A-F0-9]{3})$/i
    end

    # Ensures that what value is passed is a dollar amount of some kind
    def dollars
      /^\$?(\d{1,3}(\,\d{3})*|(\d+))(\.\d{2})?$/
    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
validates_formatting_of-0.5.0	lib/validates_formatting_of/validating_methods.rb