47 lines
1004 B
Go
47 lines
1004 B
Go
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package util
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/*
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* @Description 工具类
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* @Author www.odboy.cn
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* @Date 20241107
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*/
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import (
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"net"
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"regexp"
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"strings"
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)
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// IsBlank 检查字符串是否空
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func IsBlank(s string) bool {
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return strings.TrimSpace(s) == ""
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}
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// IsValidName 判断字符串是否是有效的域名
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func IsValidName(s string) bool {
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// 定义域名的正则表达式
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domainRegex := `^([a-zA-Z0-9][a-zA-Z0-9\-]{1,61}[a-zA-Z0-9]\.)+[a-zA-Z0-9]{2,6}$`
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re := regexp.MustCompile(domainRegex)
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return re.MatchString(s)
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}
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// IsIPv4 判断字符串是否是ipv4地址
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func IsIPv4(ipAddr string) bool {
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ip := net.ParseIP(ipAddr)
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return ip != nil && strings.Contains(ipAddr, ".")
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}
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// IsIPv6 判断字符串是否是ipv6地址
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func IsIPv6(ipAddr string) bool {
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ip := net.ParseIP(ipAddr)
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return ip != nil && strings.Contains(ipAddr, ":")
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}
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// IsValidDomain 判断域名是否正常解析
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func IsValidDomain(domain string) bool {
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_, err := net.LookupHost(domain)
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if err != nil {
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return false
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}
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return true
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}
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