Checks whether a string is blank. A string is considered blank if it is either empty or contains only whitespace characters.
@return [Boolean] true is the string is blank, false otherwise
@example
''.blank? #=> true
@example
' '.blank? #=> true
@example
' test'.blank? #=> false
A nicer alternative to Kernel#sprintf and String#%.
@return [String] the formatted string
@example
'This is %s!'.format('Sparta') #=> 'This is Sparta!'
@example
'My name is %{fname} %{lname}.'.format(fname: 'Bruce', lname: 'Wayne') #=> 'My name is Bruce Wayne.'
@example
'%d + %d'.format([1, 2]) #=> '1 + 2'
Removes all occurrences of a pattern in a string.
@return [String] a new string without any occurrences of the pattern.
Removes all occurrences of a pattern in a string.
@return [String] the string without any occurrences of the pattern.
Removes a prefix in a string.
@return [String] a new string without the prefix.
@example
'Ladies Night'.remove_prefix('Ladies ') #=> 'Night'
Removes a prefix in a string.
@return [String] the string without the prefix.
@example
'Ladies Night'.remove_prefix!('Ladies ') #=> 'Night'
Removes a suffix in a string.
@return [String] a new string without the suffix.
@example
'Ladies Night'.remove_suffix(' Night') #=> 'Ladies'
Removes a suffix in a string.
@return [String] the string without the suffix.
@example
'Ladies Night'.remove_suffix!(' Night') #=> 'Ladies'
Strips leading and trailing whitespace and squashes internal whitespace.
@return [String] a new string with no leading and trailing
whitespace and no consecutive whitespace characters inside it
@example
' Peter Parker'.squish #=> 'Peter Parker'
Strips leading and trailing whitespace and squashes internal whitespace.
@return [String] the string with no leading and trailing whitespace and no
consecutive whitespace characters inside it
@example
' Peter Parker'.squish #=> 'Peter Parker'
The method strips the whitespace preceding the base indentation. Useful for HEREDOCs and other multi-line strings.
@example
code = <<-END.strip_indent def test some_method other_method end END #=> "def\n some_method\n \nother_method\nend"