Class: String

Inherits:
Object show all
Defined in:
lib/fir/patches/blank.rb,
lib/fir/patches/native_patch.rb

Constant Summary collapse

BLANK_RE = 
/\A[[:space:]]*\z/

Instance Method Summary collapse

Instance Method Details

#blank? ⇒ true, false

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

Returns:

  • (true, false) 


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# File 'lib/fir/patches/blank.rb', line 116

def blank?
  BLANK_RE === self
end

#to_utf8 ⇒ Object

Convert String encoding to UTF-8

Returns:

  • string



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# File 'lib/fir/patches/native_patch.rb', line 25

def to_utf8
  encode(Encoding.find('UTF-8'), invalid: :replace, undef: :replace, replace: '')
end