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Курс във Факултета по Математика и Информатика към СУ

Решение на Четвърта задача от Явор Лилянов

Обратно към всички решения

Към профила на Явор Лилянов

Резултати

  • 2 точки от тестове
  • 0 бонус точки
  • 2 точки общо
  • 16 успешни тест(а)
  • 25 неуспешни тест(а)

Код

class PrivacyFilter
attr_accessor :preserve_phone_country_code, :preserve_email_hostname, :partially_preserve_email_username
def initialize(text)
@text = text
@preserve_phone_country_code = false
@preserve_email_hostname = false
@partially_preserve_email_username = false
end
def filtered_partially_preserve_email_username
@text.gsub!(/([a-zA-Z0-9][\w\-+_\.]{2})[\w\-+_\.]{,197}@/) do |username|
if username.length > 6
$1+'[FILTERED]@'
else
'[FILTERED]@'
end
end
end
def flags
if @partially_preserve_email_username
filtered_partially_preserve_email_username
elsif @preserve_email_hostname
@text.gsub!(/[a-zA-Z0-9][\w\-+_\.]{,200}@/ ,'[FILTERED]@')
end
end
def filtered_emails
if @partially_preserve_email_username or @preserve_email_hostname
flags
else
@text.gsub!(/[a-zA-Z0-9][-\w\+_\.]{,200}@(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/, '[EMAIL]')
end
end
def filtered_phones
if @preserve_phone_country_code
@text.gsub!(/((\+|00)[1-9]{3})(([ \-()]{,2})?\d){6,11}/) { |phone| $1+' [FILTERED]' }
end
@text.gsub!(/(0|([00\+][1-9]{3}))(([ \-()]{,2})?\d){6,11}/,'[PHONE]')
end
def filtered
filtered_emails
filtered_phones
@text
end
end
class Validations
def self.email?(value)
(/[a-zA-Z0-9][\w\+_\.-]{,200}@(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/.match value) ? true : false
end
def self.phone?(value)
(/(0|([00\+][1-9]{3}))(([ \-()]{,2})?\d){6,11}/.match value) ? true : false
end
def self.hostname?(value)
(/(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/.match value) ? true : false
end
def self.ip_address?(value)
(/(((1?\d?\d)|(2[0-4]\d)|(25[0-5]))\.){3}((1?\d?\d)|(2[0-4]\d)|(25[0-5]))/.match value) ? true : false
end
def self.number?(value)
(/-?(0|([1-9]\d*))(\.\d{1,})?/.match value) ? true : false
end
def self.integer?(value)
(/-?(0|([1-9]\d*))/.match value) ? true : false
end
def self.date?(value)
(/\d{4}-((0\d)|(1[12]))-(([0-2]\d)|(3[01]))/.match value) ? true : false
end
def self.time?(value)
(/(([01]\d)|(2[0-3])):[0-5]\d:[0-5]\d/.match value) ? true : false
end
def self.date_time?(value)
(/\d{4}-((0\d)|(1[12]))-(([0-2]\d)|(3[01]))[- T](([01]\d)|(2[0-3])):[0-5]\d:[0-5]\d/.match value) ? true : false
end
end

Лог от изпълнението

..F...FFFF.FFF..FF.FFFFFF.FF.FF...F.F.FFF

Failures:

  1) PrivacyFilter obfuscates more complicated emails
     Failure/Error: PrivacyFilter.new(text).filtered
     RuntimeError:
       can't modify frozen String
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `gsub!'
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `filtered_emails'
     # /tmp/d20130203-23049-cqy1el/solution.rb:45:in `filtered'
     # /tmp/d20130203-23049-cqy1el/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-cqy1el/spec.rb:40:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:39:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:39:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  2) PrivacyFilter filters whole email usernames if too short
     Failure/Error: partially_filter_email_usernames('me@example.com').should eq '[FILTERED]@example.com'
       
       expected: "[FILTERED]@example.com"
            got: "me@example.com"
       
       (compared using ==)
     # /tmp/d20130203-23049-cqy1el/spec.rb:69:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  3) PrivacyFilter does not brake with unicode
     Failure/Error: partially_filter_email_usernames('За връзка: me@example.com').should eq 'За връзка: [FILTERED]@example.com'
       
       expected: "За връзка: [FILTERED]@example.com"
            got: "За връзка: me@example.com"
       
       (compared using ==)
     # /tmp/d20130203-23049-cqy1el/spec.rb:73:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  4) PrivacyFilter filters more complex phone numbers
     Failure/Error: PrivacyFilter.new(text).filtered
     RuntimeError:
       can't modify frozen String
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `gsub!'
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `filtered_emails'
     # /tmp/d20130203-23049-cqy1el/solution.rb:45:in `filtered'
     # /tmp/d20130203-23049-cqy1el/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-cqy1el/spec.rb:85:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:84:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:84:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  5) PrivacyFilter does not filter invalid phone numbers
     Failure/Error: PrivacyFilter.new(text).filtered
     RuntimeError:
       can't modify frozen String
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `gsub!'
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `filtered_emails'
     # /tmp/d20130203-23049-cqy1el/solution.rb:45:in `filtered'
     # /tmp/d20130203-23049-cqy1el/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-cqy1el/spec.rb:96:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:95:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:95:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  6) PrivacyFilter filters more than one phone or email
     Failure/Error: filter(text).should eq filtered
       
       expected: "\n      Contacts\n\n      Phones: [PHONE] or [PHONE]\n      Email: [EMAIL] or [EMAIL]\n    "
            got: "\n      Contacts\n\n      Phones: +1 (555) 123-456-99 or [PHONE]\n      Email: [EMAIL] or [EMAIL]\n    "
       
       (compared using ==)
       
       Diff:
       @@ -1,7 +1,7 @@
        
              Contacts
        
       -      Phones: [PHONE] or [PHONE]
       +      Phones: +1 (555) 123-456-99 or [PHONE]
              Email: [EMAIL] or [EMAIL]
            
     # /tmp/d20130203-23049-cqy1el/spec.rb:119:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  7) PrivacyFilter allows country code to be preserved for internationally-formatted phone numbers
     Failure/Error: filter.filtered.should eq filtered
     RuntimeError:
       can't modify frozen String
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `gsub!'
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `filtered_emails'
     # /tmp/d20130203-23049-cqy1el/solution.rb:45:in `filtered'
     # /tmp/d20130203-23049-cqy1el/spec.rb:132:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:129:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:129:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  8) PrivacyFilter separates preserved country code from filtered phone with a space
     Failure/Error: filter.filtered.should eq filtered
     RuntimeError:
       can't modify frozen String
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `gsub!'
     # /tmp/d20130203-23049-cqy1el/solution.rb:33:in `filtered_emails'
     # /tmp/d20130203-23049-cqy1el/solution.rb:45:in `filtered'
     # /tmp/d20130203-23049-cqy1el/spec.rb:144:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:141:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:141:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  9) Validations can validate more complex emails
     Failure/Error: Validations.email?(email).should be(valid)
       
       expected #<FalseClass:0> => false
            got #<TrueClass:2> => true
       
       Compared using equal?, which compares object identity,
       but expected and actual are not the same object. Use
       'actual.should eq(expected)' if you don't care about
       object identity in this example.
     # /tmp/d20130203-23049-cqy1el/spec.rb:171:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:170:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:170:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  10) Validations does not break on emails in multiline strings
     Failure/Error: Validations.email?("foo@bar.com\nwat?").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:176:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  11) Validations can validate more complex phone numbers
     Failure/Error: Validations.phone?(phone).should be(valid)
       
       expected #<TrueClass:2> => true
            got #<FalseClass:0> => false
       
       Compared using equal?, which compares object identity,
       but expected and actual are not the same object. Use
       'actual.should eq(expected)' if you don't care about
       object identity in this example.
     # /tmp/d20130203-23049-cqy1el/spec.rb:210:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-cqy1el/spec.rb:209:in `each'
     # /tmp/d20130203-23049-cqy1el/spec.rb:209:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  12) Validations does not break on phones in multiline strings
     Failure/Error: Validations.phone?("0885123123\nwat?").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:215:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  13) Validations validates hostnames
     Failure/Error: Validations.hostname?('x.io').should be_true
       expected: true value
            got: false
     # /tmp/d20130203-23049-cqy1el/spec.rb:223:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  14) Validations handles multiline strings in hostname validation properly
     Failure/Error: Validations.hostname?("foo.com\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:233:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  15) Validations validates IP addresses
     Failure/Error: Validations.ip_address?('300.2.3.4').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:239:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  16) Validations handles multiline strings in IP validation properly
     Failure/Error: Validations.ip_address?("8.8.8.8\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:245:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  17) Validations validates more complex numbers
     Failure/Error: Validations.number?(' 42 ').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:258:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  18) Validations handles multiline strings in numbers validation properly
     Failure/Error: Validations.number?("42\n24").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:274:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  19) Validations validates more complex integers
     Failure/Error: Validations.integer?(' 42 ').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:284:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  20) Validations handles multiline strings in integer validation properly
     Failure/Error: Validations.number?("42\n24").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:295:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  21) Validations does not allow zero months or days in dates
     Failure/Error: Validations.date?('1000-00-01').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:315:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  22) Validations handles newlines in date validation
     Failure/Error: Validations.date?("2012-11-19\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:327:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  23) Validations does not allow invalid hours, minutes or seconds
     Failure/Error: Validations.time?(' 12:01:09 ').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:344:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  24) Validations validates datetime values
     Failure/Error: Validations.date_time?('2012-00-19T23:59:00').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:352:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  25) Validations handles newlines in time and datetime validation
     Failure/Error: Validations.time?("12:01:01\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-cqy1el/spec.rb:360:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.0493 seconds
41 examples, 25 failures

Failed examples:

rspec /tmp/d20130203-23049-cqy1el/spec.rb:30 # PrivacyFilter obfuscates more complicated emails
rspec /tmp/d20130203-23049-cqy1el/spec.rb:68 # PrivacyFilter filters whole email usernames if too short
rspec /tmp/d20130203-23049-cqy1el/spec.rb:72 # PrivacyFilter does not brake with unicode
rspec /tmp/d20130203-23049-cqy1el/spec.rb:76 # PrivacyFilter filters more complex phone numbers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:89 # PrivacyFilter does not filter invalid phone numbers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:104 # PrivacyFilter filters more than one phone or email
rspec /tmp/d20130203-23049-cqy1el/spec.rb:122 # PrivacyFilter allows country code to be preserved for internationally-formatted phone numbers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:136 # PrivacyFilter separates preserved country code from filtered phone with a space
rspec /tmp/d20130203-23049-cqy1el/spec.rb:160 # Validations can validate more complex emails
rspec /tmp/d20130203-23049-cqy1el/spec.rb:175 # Validations does not break on emails in multiline strings
rspec /tmp/d20130203-23049-cqy1el/spec.rb:184 # Validations can validate more complex phone numbers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:214 # Validations does not break on phones in multiline strings
rspec /tmp/d20130203-23049-cqy1el/spec.rb:218 # Validations validates hostnames
rspec /tmp/d20130203-23049-cqy1el/spec.rb:232 # Validations handles multiline strings in hostname validation properly
rspec /tmp/d20130203-23049-cqy1el/spec.rb:237 # Validations validates IP addresses
rspec /tmp/d20130203-23049-cqy1el/spec.rb:244 # Validations handles multiline strings in IP validation properly
rspec /tmp/d20130203-23049-cqy1el/spec.rb:257 # Validations validates more complex numbers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:273 # Validations handles multiline strings in numbers validation properly
rspec /tmp/d20130203-23049-cqy1el/spec.rb:283 # Validations validates more complex integers
rspec /tmp/d20130203-23049-cqy1el/spec.rb:294 # Validations handles multiline strings in integer validation properly
rspec /tmp/d20130203-23049-cqy1el/spec.rb:314 # Validations does not allow zero months or days in dates
rspec /tmp/d20130203-23049-cqy1el/spec.rb:326 # Validations handles newlines in date validation
rspec /tmp/d20130203-23049-cqy1el/spec.rb:339 # Validations does not allow invalid hours, minutes or seconds
rspec /tmp/d20130203-23049-cqy1el/spec.rb:347 # Validations validates datetime values
rspec /tmp/d20130203-23049-cqy1el/spec.rb:359 # Validations handles newlines in time and datetime validation

История (1 версия и 0 коментара)

Явор обнови решението на 28.11.2012 15:00 (преди над 11 години)

+class PrivacyFilter
+ attr_accessor :preserve_phone_country_code, :preserve_email_hostname, :partially_preserve_email_username
+
+ def initialize(text)
+ @text = text
+ @preserve_phone_country_code = false
+ @preserve_email_hostname = false
+ @partially_preserve_email_username = false
+ end
+
+ def filtered_partially_preserve_email_username
+ @text.gsub!(/([a-zA-Z0-9][\w\-+_\.]{2})[\w\-+_\.]{,197}@/) do |username|
+ if username.length > 6
+ $1+'[FILTERED]@'
+ else
+ '[FILTERED]@'
+ end
+ end
+ end
+
+ def flags
+ if @partially_preserve_email_username
+ filtered_partially_preserve_email_username
+ elsif @preserve_email_hostname
+ @text.gsub!(/[a-zA-Z0-9][\w\-+_\.]{,200}@/ ,'[FILTERED]@')
+ end
+ end
+
+ def filtered_emails
+ if @partially_preserve_email_username or @preserve_email_hostname
+ flags
+ else
+ @text.gsub!(/[a-zA-Z0-9][-\w\+_\.]{,200}@(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/, '[EMAIL]')
+ end
+ end
+
+ def filtered_phones
+ if @preserve_phone_country_code
+ @text.gsub!(/((\+|00)[1-9]{3})(([ \-()]{,2})?\d){6,11}/) { |phone| $1+' [FILTERED]' }
+ end
+ @text.gsub!(/(0|([00\+][1-9]{3}))(([ \-()]{,2})?\d){6,11}/,'[PHONE]')
+ end
+
+ def filtered
+ filtered_emails
+ filtered_phones
+ @text
+ end
+end
+
+class Validations
+ def self.email?(value)
+ (/[a-zA-Z0-9][\w\+_\.-]{,200}@(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/.match value) ? true : false
+ end
+
+ def self.phone?(value)
+ (/(0|([00\+][1-9]{3}))(([ \-()]{,2})?\d){6,11}/.match value) ? true : false
+ end
+
+ def self.hostname?(value)
+ (/(\w[\w-]{,61}\w\.)+[a-zA-z]{2,3}(\.[a-zA-z]{2})?/.match value) ? true : false
+ end
+
+ def self.ip_address?(value)
+ (/(((1?\d?\d)|(2[0-4]\d)|(25[0-5]))\.){3}((1?\d?\d)|(2[0-4]\d)|(25[0-5]))/.match value) ? true : false
+ end
+
+ def self.number?(value)
+ (/-?(0|([1-9]\d*))(\.\d{1,})?/.match value) ? true : false
+ end
+
+ def self.integer?(value)
+ (/-?(0|([1-9]\d*))/.match value) ? true : false
+ end
+
+ def self.date?(value)
+ (/\d{4}-((0\d)|(1[12]))-(([0-2]\d)|(3[01]))/.match value) ? true : false
+ end
+
+ def self.time?(value)
+ (/(([01]\d)|(2[0-3])):[0-5]\d:[0-5]\d/.match value) ? true : false
+ end
+
+ def self.date_time?(value)
+ (/\d{4}-((0\d)|(1[12]))-(([0-2]\d)|(3[01]))[- T](([01]\d)|(2[0-3])):[0-5]\d:[0-5]\d/.match value) ? true : false
+ end
+end