type RegExpEngineStatus = {
    type: 'available';
} | {
    type: 'unavailable';
    err: Error;
} | {
    type: 'ignored';
};
export declare const regexEngineStatus: RegExpEngineStatus;
export declare function regEx(pattern: string | RegExp, flags?: string, useCache?: boolean): RegExp;
export declare function escapeRegExp(input: string): string;
export declare const newlineRegex: RegExp;
export {};