Class: String
- Defined in:
- lib/gitlab_build_output/core_ext/object/blank.rb
Constant Summary collapse
- BLANK_RE =
/\A[[:space:]]*\z/
Instance Method Summary collapse
-
#blank? ⇒ true, false
A string is blank if it’s empty or contains whitespaces only:.
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
114 115 116 117 118 119 |
# File 'lib/gitlab_build_output/core_ext/object/blank.rb', line 114 def blank? # The regexp that matches blank strings is expensive. For the case of empty # strings we can speed up this method (~3.5x) with an empty? call. The # penalty for the rest of strings is marginal. empty? || BLANK_RE.match?(self) end |