Regex for Bot User Agent

javascript

const regex = /(?:bot|crawl|spider|slurp|fetch|archiv)(?:er)?\b/;
const isValid = regex.test(value);

python

import re
pattern = r'(?:bot|crawl|spider|slurp|fetch|archiv)(?:er)?\b'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /(?:bot|crawl|spider|slurp|fetch|archiv)(?:er)?\b/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/(?:bot|crawl|spider|slurp|fetch|archiv)(?:er)?\b/', $value)) {
    echo "valid";
}

java

String pattern = "(?:bot|crawl|spider|slurp|fetch|archiv)(?:er)?\\b";
boolean isValid = value.matches(pattern);