String Entries

Strings are versatile and come with powerful validation tools to ensure users provide correct input.

Simple String

IStringConfigEntry motd = builder.defineString("motd", "Welcome to the server!");

Valid Values (Selection)

You can force the user to pick from a specific list of strings. In the GUI, this might prompt validation errors if they type something else.

IStringConfigEntry mode = builder.defineString(
    "mode",
    "fast",
    0, 100, // Min/Max length
    List.of("fast", "balanced", "fancy") // Valid options
);

Regex Pattern Validation

You can enforce a format using Regular Expressions. This is extremely useful for things like hex colors, codes, or specific identifiers.

// Ensures the string is a Hex Color (e.g., #FF0000)
IStringConfigEntry color = builder.defineString(
    "hex_color",
    "#FFFFFF",
    7, 7, // Fixed length of 7
    "^#[0-9A-Fa-f]{6}$" // Regex Pattern
);

In the GUI

• Pattern Mismatch: If the user types a value matching the regex, the input field allows it. If it doesn't match, it highlights red.
• Length: The input field prevents typing more characters than maxLength.