method

blank?

Ruby on Rails latest stable (v3.2.13) - 0 notes - Class: String

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What's this?

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

Show source

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 101
  def blank?
    # 1.8 does not takes [:space:] properly
    if encoding_aware?
      self !~ /[^[:space:]]/
    else
      self !~ NON_WHITESPACE_REGEXP
    end
  end

blank?

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