Function validateUserName
Validates a user name string.
string validateUserName
(
string str,
int min_length = 3,
int max_length = 32,
string additional_chars = "-_",
bool no_number_start = true
);
bool validateUserName(R)
(
ref R error_sink,
string str,
int min_length = 3,
int max_length = 32,
string additional_chars = "-_",
bool no_number_start = true
)
if (isOutputRange!(R, char));
User names may only contain ASCII letters and digits or any of the specified additional letters.
Invalid user names will cause an exception with the error description to be thrown.