lowercase method
Generate an ID using only lowercase letters and digits.
Useful for slugs, DNS-safe names, and case-insensitive systems.
length: Number of characters in the generated ID (default is 12).
prefix: Optional prefix prepended to the generated ID.
Implementation
String lowercase({int length = 12, String prefix = ''}) {
return prefix +
_generate(
length: length,
charSet: NanoidCharset.lowercase,
excludedCharSet: '',
);
}