Some regex collection

regex101.txt

##Username regex
^[a-zA-Z0-9]+$
This only allows alphanumeric


##Password regex
^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$
This regex will enforce these rules:

At least one upper case english letter, (?=.*?[A-Z])
At least one lower case english letter, (?=.*?[a-z])
At least one digit, (?=.*?[0-9])
At least one special character, (?=.*?[#?!@$%^&*-])
Minimum 8 in length .{8,} (with the anchors)

##Address Regex
^\d+\s[A-z]+\s[A-z]+