grammar

{	scopeName = 'source.ruby.cucumber.steps';
	fileTypes = ( 'steps.rb' );
	patterns = (
		{	name = 'keyword';
			match = '\b(GivenScenario|Given|When|Then)\b';
		},
		{	name = 'string.regexp.classic.ruby';
			begin = '(?:GivenScenario\s)|(?:Given\s)|(?:When\s)|(?:Then\s)\s*((/))(?![*+{}?])';
			end = '((/[eimnosux]*))';
		},
		{	include = 'source.ruby'; },
	);
}

{  name = 'string.regexp.classic.ruby';
      begin = '((?:GivenScenario\s)|(?:Given\s)|(?:When\s)|(?:Then\s))\s*((/))(?![*+{}?])';
      end = '((/[eimnosux]*))';
        beginCapture = {
            1 = {name = 'keyword'};
        }
    },

user_steps.rb

# The regex here in textmate is not recognized
Given /^a user (\w+)$/ do |login|
  Factory :user, :login => login if !User.find_by_login(login)
end