/**
 * Builds a safe regular expression (RE2 when available, RegExp otherwise)
 */
export declare function buildSafeRegExp(source: string | RegExp, flags?: string): RegExp;
type LoopRegexesMode = "match" | "split" | "replace";
type LoopRegexesResult<Mode extends LoopRegexesMode> = (Mode extends "replace" ? string : RegExpMatchArray);
/**
 * Executes multiple regular expressions until one succeeds
 */
export declare function loopRegexes<Mode extends LoopRegexesMode = "match">(regexes: RegExp[], str: string, mode?: Mode, highestPosition?: boolean): LoopRegexesResult<Mode>;
/**
 * Reconciliates match substrings after a "split" operation
 */
export declare function reconciliateSplitMatch(match: string[], minSubstrings: number, defaultSubstrings: number[], fnExclude?: ((index: number) => boolean) | null): string;
/**
 * Trims a string
 */
export declare function trimString(str: string | null): string;
export {};