method

blank?

v4.0.2 - Show latest stable - Class: String

blank?()

public

A string is blank if it’s empty or contains whitespaces only:

''.blank?                 # => true
'   '.blank?              # => true
'ã'.blank?               # => true
' something here '.blank? # => false

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 91
  def blank?
    self !~ /[^[:space:]]/
  end