Regex for MAC Address

javascript

const regex = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/;
const isValid = regex.test(value);

python

import re
pattern = r'^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/', $value)) {
    echo "valid";
}

java

String pattern = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$";
boolean isValid = value.matches(pattern);