aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--activesupport/lib/active_support/core_ext/object/blank.rb8
1 files changed, 7 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb
index 8cef3e87ea..5cf49e2cbf 100644
--- a/activesupport/lib/active_support/core_ext/object/blank.rb
+++ b/activesupport/lib/active_support/core_ext/object/blank.rb
@@ -85,7 +85,13 @@ class Hash
alias_method :blank?, :empty?
end
-class String #:nodoc:
+class String
+ # A string is blank if it's empty or contains whitespaces only
+ # For example:
+ #
+ # "".blank? => true
+ # " ".blank? => true
+ # " something here ".blank? => false
def blank?
self !~ /\S/
end