个人常用函数
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func IsContain(items []string, item string) bool { for _, eachItem := range items { if eachItem == item { return true } } return false } |
使用方法
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var word := "my" var sentence := []string{"my","word","in","a","sentence"} if IsContain(sentence){ //包含 }else{ //不包含 } |
补充:golang中的正则匹配&判断元素是否在slice里或者数组里
1、正则匹配
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package main import ( "fmt" "regexp" ) func main() { //pattern := "\\d+" //反斜杠要转义 pattern := "[a-zA-Z]" //匹配字母 str := "a1.22.35.4" result, _ := regexp.MatchString(pattern, str) fmt.Println(result) //true } |
2、判断元素是否在slice里或者数组里
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package main import "fmt" import "github.com/wxnacy/wgo/arrays" //go get github.com/wxnacy/wgo/arrays 安装包 func main() { str := "342" var numbers []string numbers = append(numbers, "3332", "342", "ssddd", "ssss", "%%%%") index := arrays.ContainsString(numbers, str) if index == -1 { fmt.Printf("not exists") //-1说明不存在 } else { fmt.Println(index) //存在则会返回元素的下标 } } |
以上为个人经验,希望能给大家一个参考,也希望大家多多支持服务器之家。如有错误或未考虑完全的地方,望不吝赐教。
原文链接:https://blog.csdn.net/m0_37422289/article/details/103570799