Regex for Bitcoin Address

javascript

const regex = /^(?:bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^(?:bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^(?:bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^(?:bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$/', $value)) {
    echo "valid";
}

java

String pattern = "^(?:bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$";
boolean isValid = value.matches(pattern);