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Merge pull request #174 from better0332/patch-1

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Update 07.3.md
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astaxie
2013-04-01 03:21:05 -07:00
parent 352e36f9d4 706ff66e04
commit 4a1fb2dcca
1 changed files with 1 additions and 1 deletions
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@@ -19,7 +19,7 @@ Go语言通过`regexp`标准包为正则表达式提供了官方支持，如果
如果要验证一个输入是不是IP地址，那么如何来判断呢？请看如下实现 如果要验证一个输入是不是IP地址，那么如何来判断呢？请看如下实现
func IsIP(ip string) (b bool) { func IsIP(ip string) (b bool) {
if m, _ := regexp.MatchString("^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$", ip); !m { if m, _ := regexp.MatchString("^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}$", ip); !m {
return false return false
} }
return true return true