/**
 * Escapes a string for literal matching in a RegExp.
 * @source https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/RegularExpressions
 */
export declare const escape_regexp: (str: string) => string;
/**
 * Reset a RegExp's lastIndex to 0 for global and sticky patterns.
 * Ensures consistent behavior by clearing state that affects subsequent matches.
 * @mutates regexp - sets lastIndex to 0 if regexp is global or sticky
 */
export declare const reset_regexp: <T extends RegExp>(regexp: T) => T;
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