re = /(?s)(?:new\sMyClass\(new\sAnotherClass\(\).*?\))/m
str = 'return new MyClass(constructor, options, ...);
# case 1
var mc = new MyClass();
# case 2
var mc = new MyClass(new AnotherClass());
# case 3
var amc = new MyClass(options, new AnotherClass(), ...);
# case 4
MyClass mc = new MyClass(
something
);
# case 5
MyClass mc = new MyClass(
new AnotherClass()
);
# case 6
MyClass mc = new MyClass(
options, new AnotherClass()
);
# case 7
var amc = new MyClass(new AnotherClass(), options, ...);'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html