/**
 * Represents R's `.standard_regexps` definitions.
 * @see https://github.com/r-devel/r-svn/blob/44474af03ae77fd3b9a340279fa10cb698d106c3/src/library/base/R/utils.R#L52-L53
 */
export declare const RStandardRegexp: {
    /** `[[:alpha:]][[:alnum:].]*[[:alnum:]]` */
    ValidPackageName: RegExp;
    /** `([[:digit:]]+[.-]){1,}[[:digit:]]+` */
    ValidPackageVersion: RegExp;
    /** `[[:digit:]]+\\.[[:digit:]]+\\.[[:digit:]]+` */
    ValidRSystemVersion: RegExp;
    /** `([[:digit:]]+[.-])*[[:digit:]]+` */
    ValidNumericVersion: RegExp;
};
/**
 * Based on the C-definition:
 * ```txt
 * !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
 * ```
 */
export declare const RPunctuationChars = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
/**
 * Converts an R regex pattern (which may include POSIX character classes) into a JavaScript RegExp.
 */
export declare function parseRRegexPattern(pattern: string): RegExp;