Regex for UK Sort Code

javascript

const regex = /^\d{2}-?\d{2}-?\d{2}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^\d{2}-?\d{2}-?\d{2}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^\d{2}-?\d{2}-?\d{2}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^\d{2}-?\d{2}-?\d{2}$/', $value)) {
    echo "valid";
}

java

String pattern = "^\\d{2}-?\\d{2}-?\\d{2}$";
boolean isValid = value.matches(pattern);