Ruby on Rails uncapitalize first letter

Question

I\'m running Rails 2.3.2.

How do I convert \"Cool\" to \"cool\"? I know \"Cool\".downcase works, but is there a Ruby/Rails method

Answer 1

Try this

'Cool'.sub(/^([A-Z])/) { $1.tr!('[A-Z]', '[a-z]') }

https://apidock.com/ruby/XSD/CodeGen/GenSupport/uncapitalize