Regex for US Social Security Number

javascript

const regex = /^(?!000|666|9\d{2})\d{3}-(?!00)\d{2}-(?!0000)\d{4}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^(?!000|666|9\d{2})\d{3}-(?!00)\d{2}-(?!0000)\d{4}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^(?!000|666|9\d{2})\d{3}-(?!00)\d{2}-(?!0000)\d{4}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^(?!000|666|9\d{2})\d{3}-(?!00)\d{2}-(?!0000)\d{4}$/', $value)) {
    echo "valid";
}

java

String pattern = "^(?!000|666|9\\d{2})\\d{3}-(?!00)\\d{2}-(?!0000)\\d{4}$";
boolean isValid = value.matches(pattern);