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帮忙望看这2个正整数的表达式一样吗

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Release： 2016-06-13 12:25:50
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帮忙看看这2个正整数的表达式一样吗
/^[1-9]+$/

/^[1-9]*[1-9][0-9]*$/

这有区别么？

目的只是排除负数和0的正整数  只能是整数
------解决思路----------------------
第一个不允许有 0
第二个允许有 0
你说他们一样吗？
------解决思路----------------------
第一个都是1-9的数字
第二个尾数有可能是0的数字
------解决思路----------------------
第一个不许有0
第二个第一位数字不许是0

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