ifconfig |grep -Eo "(([1-9)?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
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------------------------------------------------------- 博客均为个人笔记,无所追求,仅供参考~~~ QQ--2382990774