class String

Constants

CAT_BLANK_RE

Public Instance Methods

blank?() click to toggle source

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

''.blank?       # => true
'   '.blank?    # => true
"\t\n\r".blank? # => true
' blah '.blank? # => false

Unicode whitespace is supported:

"\u00a0".blank? # => true

@return [true, false]

# File lib/core_ext/blank.rb, line 114
def blank?
  CAT_BLANK_RE === self
end
is_caterpillar_json?() click to toggle source
# File lib/core_ext/string.rb, line 2
def is_caterpillar_json?
  JSON.parse(self)
rescue
  false
end