/**
 * Takes a regex pattern p and source string s and returns boolean indicating if s matches p
 * :: str -> str[] -> str
 */
export declare const test: import("./helper-types").Curried2<RegExp, string, boolean> & import("./helper-types").Function2<RegExp, string, boolean>;
/**
 * Functional / curried version of String.prototype.replace
 * :: str -> str[] -> str
 */
export declare const replace: import("./helper-types").Curried3<string | RegExp, ((match: string, index: number, original: string) => string) & string, string, string> & import("./helper-types").Function3<string | RegExp, ((match: string, index: number, original: string) => string) & string, string, string> & import("./helper-types").Function_21<string | RegExp, ((match: string, index: number, original: string) => string) & string, string, string>;
/**
 * Escape a string for regex
 * :: str -> str[] -> str
 */
export declare const regexEscape: (s: string) => string;
/**
 * Trims a string
 * :: str -> str
 */
export declare const trim: (s: string) => string;
export declare const split: import("./helper-types").Curried2<string | RegExp, string, string[]> & import("./helper-types").Function2<string | RegExp, string, string[]>;
export declare const toUpperCase: (str: string) => string;
export declare const toLowerCase: (str: string) => string;