Rails Inflector Lookup

.camelize#=>"Foo barIdId"
.classify#=>"Foo barIdId"
.constantize#=>
wrong constant name foo bar_id_id
.dasherize#=>"foo bar-id-id"
.deconstantize#=>""
.demodulize#=>"foo bar_id_id"
.foreign_key#=>"foo bar_id_id_id"
.humanize#=>"Foo bar id"
.ordinal#=>
undefined method
.ordinalize#=>
undefined method
.parameterize#=>"foo-bar_id_id"
.pluralize#=>"foo bar_id_ids"
.safe_constantize#=>""
.singularize#=>"foo bar_id_id"
.tableize#=>"foo bar_id_ids"
.titleize#=>"Foo Bar Id"
.underscore#=>"foo bar_id_id"
.upcase_first#=>"Foo bar_id_id"