Commonly used Android reg exp

Patterns.PHONE.matcher("+1-111-111-111").matches(); // true
Patterns.PHONE.matcher("+1_111_111_111").matches(); // false

Patterns.EMAIL_ADDRESS.matcher("example@gmail.com").matches(); // true
Patterns.EMAIL_ADDRESS.matcher("example@gmail_com").matches(); // false

Patterns.WEB_URL.matcher("www.google.com").matches(); // true
Patterns.WEB_URL.matcher("www.goo_gle.com").matches(); // false