Phone number regular expression pattern

phone_number_regex.rb

def match(number)
  /\+?(\d)?[-|\.|\s]?\(?(\d{3})\)?[-|\.|\s]?(\d{3})[-|\.|\s]?(\d{4})/.match number
end

# test match and captures against possibilities
[
  ['3335557777', nil, '333', '555', '7777'],
  ['333-555-7777', nil, '333', '555', '7777'],
  ['333.555.7777', nil, '333', '555', '7777'],
  ['333 555 7777', nil, '333', '555', '7777'],
  ['333-555.7777', nil, '333', '555', '7777'],
  ['(333) 555.7777', nil, '333', '555', '7777'],
  ['13335557777', '1', '333', '555', '7777'],
  ['1-333-555-7777', '1', '333', '555', '7777'],
  ['1.333.555.7777', '1', '333', '555', '7777'],
  ['1 333 555 7777', '1', '333', '555', '7777'],
  ['1 333-555.7777', '1', '333', '555', '7777'],
  ['+1-333-555-7777', '1', '333', '555', '7777']
].each do |number|
  number.each_with_index {|n,i| puts match(number[0])[i] == n}
end