/**
 * Removes non-numeric characters from a string, preserving the decimal separator.
 * Uses cached regex for performance optimization.
 *
 * @param value - The string to sanitize
 * @param enableNegative - Whether to allow negative sign
 * @param decimalSeparator - The decimal separator character (default: '.')
 * @returns The sanitized string with only numbers and the decimal separator
 */
export declare const removeNonNumericCharacters: (value: string, enableNegative?: boolean, decimalSeparator?: string) => string;