PrimitivesStringKeywords Literals const literals = type({ singleQuoted: "'typescript'", doubleQuoted: '"arktype"' }) Patterns Regex literals specify an unanchored regular expression that an input string must match. They can either be string-embedded or refer directly to a RegExp instance. const literals = type({ stringEmbedded: "/^a.*z$/", regexLiteral: /^a.*z$/ }) Lengths PreviousNumber