instance method `blank?`

Ruby on Rails 3.1.12

Since v3.1.12

Compare with:

blank?()

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

"".blank?                 # => true
"   ".blank?              # => true
" something here ".blank? # => false

Source

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 95
  def blank?
    self !~ /\S/
  end

Defined in activesupport/lib/active_support/core_ext/object/blank.rb line 95 · View on GitHub · Improve this page · Find usages on GitHub

Defined in String

Signature