Regex for Indian PIN Code

javascript

const regex = /^[1-9][0-9]{5}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^[1-9][0-9]{5}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^[1-9][0-9]{5}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^[1-9][0-9]{5}$/', $value)) {
    echo "valid";
}

java

String pattern = "^[1-9][0-9]{5}$";
boolean isValid = value.matches(pattern);