re = /(\+?(\b1)?[\ .\/-]?((?(2)|(\b))|(\())\d{3}(?(?<=\(\d{3})\)|)[\ .\/-]?)?(?(1)|\b)\d{3}[\ .\/-]?\d{4}[\ ]?([xX][\ ]?\d{1,5})?\b/m
str = '+ (513)899-1888
5138991888
8991888
1 5138991888
+5138991888
(513)8991888
1(513)8991888
(5138991888
+1 513-899-1888
1/513-899-1888
1(513)899-1888 X 8888
+1 513 899-1888 x 11111'
# 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