import { e as IntervalArray } from "./packem_shared/types.d-CmNvyl4l.js";
/**
* Escapes characters with special meaning in regular expressions.
* @param char The string to escape.
* @returns The escaped string.
*/
declare const escapeRegExp: (char: string) => string;
/**
* Checks if a number falls within any of the specified intervals.
* @param number_ The number to check.
* @param ranges An array of intervals [start, end].
* @returns True if the number is within any interval, false otherwise.
*/
declare const inRange: (number_: number, ranges: IntervalArray) => boolean;
/**
* Checks if a string contains Chinese characters (Han script).
* @param char The string to check.
* @returns True if the string contains Chinese characters, false otherwise.
*/
declare const hasChinese: (char: string) => boolean;
/**
* Checks if a string contains punctuation or space characters.
* @param char The string to check.
* @returns True if the string contains punctuation or space, false otherwise.
*/
declare const hasPunctuationOrSpace: (char: string) => boolean;
/**
* Finds all occurrences of a set of substrings within a source string and returns their start/end indices.
* @param source The string to search within.
* @param needles An array of strings to search for.
* @returns An array of intervals [start, end] for each occurrence.
*/
declare const findStringOccurrences: (source: string, needles: string[]) => IntervalArray;
export { escapeRegExp, findStringOccurrences, hasChinese, hasPunctuationOrSpace, inRange };