legalcharactergroup
nounUK /ˈliːɡəl ˈkærəktə ɡruːp/
US /ˈliːɡəl ˈkærəktər ɡruːp/
A set of letters, numbers, or symbols that a computer is allowed to use.
The password checker only accepts the legalcharactergroup shown on the screen.
OTHER MEANINGS
2. A category of characters defined by a rule or standard.
The form rejects any symbol outside the legalcharactergroup.
3. A group of characters treated as valid by a program or system.
Developers tested each legalcharactergroup before releasing the update.
4. The collection of characters permitted in a specific field or format.
Usernames must stay within the legalcharactergroup for the login page.