regular expression

[Bushra Binte]

Hi,
does any one have an idea how regular expression(regex) for checking whether a string would contain:

1. atleast one letter

2. atleast one number

3. atleast one special charater (@,$,%,&)

thanks

[shivendra tripathi]

Try [a-zA-Z0-9@$%&]

[Henry Wong]

try...

string.matches("(?=.*[a-zA-Z])(?=.*[0-9])(?=.*[@$%&]).*")

Henry