Regex for Month Name

javascript

const regex = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)$/;
const isValid = regex.test(value);

python

import re
pattern = r'^(?:January|February|March|April|May|June|July|August|September|October|November|December)$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^(?:January|February|March|April|May|June|July|August|September|October|November|December)$/', $value)) {
    echo "valid";
}

java

String pattern = "^(?:January|February|March|April|May|June|July|August|September|October|November|December)$";
boolean isValid = value.matches(pattern);