ActiveSupport | String#titleize

概要

String#titleize

詳細

String#titleize について

String#titleize

文字列を区切り文字ごとに先頭大文字にする。

サンプル

# encoding: utf-8
require 'active_support/core_ext/string/inflections'
require 'tbpgr_utils'

bulk_puts_eval binding, <<-EOS
'CamelCase'.titleize
'snake_lower_case'.titleize
'SNAKE_UPPER_CASE'.titleize
'spaced lower case'.titleize
'SPACED UPPER CASE'.titleize
'SomeModule::SomeClass'.titleize
EOS

__END__
・下記はTbpgrUtils gemの機能
bulk_puts_eval

https://rubygems.org/gems/tbpgr_utils
https://github.com/tbpgr/tbpgr_utils

出力

'CamelCase'.titleize # => "Camel Case"
'snake_lower_case'.titleize # => "Snake Lower Case"
'SNAKE_UPPER_CASE'.titleize # => "Snake Upper Case"
'spaced lower case'.titleize # => "Spaced Lower Case"
'SPACED UPPER CASE'.titleize # => "Spaced Upper Case"
'SomeModule::SomeClass'.titleize # => "Some Module/Some Class"

参照

http://guides.rubyonrails.org/active_support_core_extensions.html#inflections
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/core_ext/string/inflections.rb
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflector/inflections.rb