Class: String

Inherits:

Object

show all

Instance Method Summary collapse

#blank? ⇒ Boolean

When called on a string, the #blank? method returns true if the string is empty or consists only of whitespace: ”.blank? # => true “ n ”.blank? # => true ‘foo’.blank? # => false.
#present? ⇒ Boolean

When called on a string, the #present? method returns true unless the string is empty or consists only of whitespace: ‘foo’.present? # => true ”.present? # => false ‘ ’.present? # => false.

When called on a string, the #blank? method returns true if the string is empty or consists only of whitespace:

''.blank?      # => true 
" \n ".blank?  # => true 
'foo'.blank?   # => false

Returns:



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# File 'lib/reactive_support/core_ext/object/blank.rb', line 41

def blank?
  !!(/\A[[:space:]]*\z/ =~ self) || self.empty?
end

When called on a string, the #present? method returns true unless the string is empty or consists only of whitespace:

'foo'.present?  # => true 
''.present?     # => false 
'   '.present?  # => false

Returns:



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# File 'lib/reactive_support/core_ext/object/blank.rb', line 51

def present?
  !blank?
end