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99页匹配ip地址的正则表达式感觉有点问题 #110

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@Flywolfs

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自己试了一下这个((25[0-5]|[2[0-4]\d|[0-1]\d{2}|[1-9]?\d).){3}((25[0-5]|[2[0-4]\d|[0-1]\d{2}|[1-9]?\d)),这个
d|[0-1]\d{2}会把0XX这类的"数字"匹配到,但是现实的ip地址对于0XX不都应该不带前面的0吗?所以想请教一下

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