Module: Str2Duck::Regexp

Defined in:
lib/str2duck/regexp.rb

Constant Summary collapse

@@year = 
'\d+'

Class Method Summary collapse

Class Method Details

.date?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 23

def date? obj

  answer_value= nil
  [
      /^#{@@year}-\d\d-\d\d$/,
      /^\w+, \d+ \w+ #{@@year}$/
  ].each do |regexp|
    answer_value ||= obj =~ regexp
  end

  return !!answer_value

end

.datetime?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 8

def datetime? obj

  answer_value= nil
  [
      /^\w+, \d+ \w+ #{@@year} \d\d:\d\d:\d\d \+\d+$/,
      /^#{@@year}-\d\d-\d\d\w\d\d:\d\d:\d\d\+\d\d:\d\d$/,
      /\w+ \w+ \d+ #{@@year} \d+:\d+:\d+ \w+\+\d+ \(\w+\)/
  ].each do |regexp|
    answer_value ||= obj =~ regexp
  end

  return !!answer_value

end

.false?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 54

def false? obj
  return !!obj =~ /^false$/
end

.float?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 58

def float? obj
  case obj.to_s
    when /^\d+\.\d+$/,/^\d+,\d+$/
      return true
    else
      return false
  end
end

.integer?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 67

def integer? obj
  return !!obj =~ /^\d+$/
end

.json?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 71

def json? obj
  begin
    JSON.parse(obj)
    return true
  rescue ::JSON::ParserError
    return false
  end
end

.time?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 37

def time? obj

  answer_value= nil
  [
      /^#{@@year}-\d\d-\d\d \d\d:\d\d:\d\d \+\d+$/
  ].each do |regexp|
    answer_value ||= obj =~ regexp
  end

  return !!answer_value

end

.true?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 50

def true? obj
  return !!obj =~ /^true$/
end

.yaml?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/str2duck/regexp.rb', line 80

def yaml? obj
  YAML.safe_load(obj)
  return true
rescue ::Exception
  return false
end