<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset=utf-8> | |
<title>Example</title> | |
</head> | |
<body> | |
<p>Login names can only use letters from A to Z (upper or lowercase) | |
and the character underscore (_) and minus (-). | |
For example: <code its-allowed-characters="[a-zA-Z_\-]">Huck_Finn</code>.</p> | |
</body> | |
</html> |