[Rails] text_field_with_auto_complete with regular expression

I'm using text_field_with_auto_complete to index the keywords of something.I created a 'resource' model,and it has a 'keywords' column. in the resource controller: auto_complete_for :resource,:keywords and in the view: %= text_field_with_auto_complete :resource, :keywords, {:onfocus =

[Rails] text_field_with_auto_complete with regular expression

I'm using text_field_with_auto_complete to index the keywords of something.I created a 'resource' model,and it has a 'keywords' column. in the resource controller: auto_complete_for :resource,:keywords and in the view: %= text_field_with_auto_complete :resource, :keywords, {:onfocus =