Example | Description |
|---|---|
[\#‑\*] | All of the characters found between # and * in the ASCII collation sequence. |
[A0\[\]/u] | The letter a, forced to uppercase, the digit 0 and brackets. |
[#abc] | Any character acceptable in your installation as a digit and the letters a, b, and c |
[&\*\$] | Any character acceptable in your system as the first character in a name and the characters * and $. |
[abc//a] | The characters a, b, and c, with a default of a if the user fails to make an entry or enters a space. |