Class: String
- Defined in:
- lib/capistrano_sentinel/initializers/active_support/blank.rb
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
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# File 'lib/capistrano_sentinel/initializers/active_support/blank.rb', line 113 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? || /\A[[:space:]]*\z/ === self end |