#!/usr/bin/env python3# Copyright (c) Facebook, Inc. and its affiliates.## This source code is licensed under the MIT license found in the# LICENSE file in the root directory of this source tree.importregeximportsysdefmain():filter_r=regex.compile(r"[^\p{L}\p{N}\p{M}\' \-]")forlineinsys.stdin:line=line.strip()line=filter_r.sub(" ",line)line=" ".join(line.split())print(line)if__name__=="__main__":main()