delete 193 bash

python-leetcode/laozhang/tree/leetcode_193_.sh

-#!/bin/bash
-
-# 可用
-egrep '^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$' file.txt
-grep -E '^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$' file.txt
-
-awk '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-([0-9]{4})$/' file.txt
-
-# Mac 不能用
-grep -P '^(\d{3}-|\(\d{3}\) )\d{3}-\d{4}$' file.txt
-sed -n -r '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$/p' file.txt
-cat file.txt | grep -P '(^(\d{3})\s|^\d{3}-)\d{3}-\d{4}$'
-cat file.txt | grep -E '(^([0-9]{3})\s|^[0-9]{3}-)[0-9]{3}-[0-9]{4}$'