Detect if the IP format is correct batch _dos/bat

Source: Internet
Author: User
Tags goto

Copy Code code as follows:

@echo off
:: Detect whether the IP format is standard
:: Code by JM 2006-10-23
: Begin
Cls
Set input=
set/p input= Please enter IP:
Echo%input%|findstr "^[0-9]*\. [0-9]*\. [0-9]*\. [0-9]*$ ">nul| | Goto fail
Set _input=%input:.=%
Call:check%_input%

: Check
If "%4" = = "" Goto fail
For%%i in (% 1%2%d) do (
If%%i GTR 255 goto FAIL
)
Cls
Echo%input% is the correct IP
Echo.
Pause
Goto BEGIN

: Fail
Cls
Echo%input% is the wrong IP
Echo.
Pause
Goto BEGIN

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