官网
https://pkg.go.dev/strings
这里介绍最常用的函数
1、Fields 以空格为字段分割符,返回[]string
func strings.Split(s string, sep string) []string
2、Contains 是否包含子串,返回bool
func strings.Contains(s string, substr string) bool
//也可以加!号,表示不包含
!strings.Contains(s string, substr string)
3、Split ,以子串分割,返回[]string
func strings.Split(s string, sep string) []string
4、ReplaceAll 替换
func strings.ReplaceAll(s, old, new string) string
5、其他
func Clone(s string) string
func Compare(a, b string) int
func Contains(s, substr string) bool
func ContainsAny(s, chars string) bool
func ContainsFunc(s string, f func(rune) bool) bool
func ContainsRune(s string, r rune) bool
func Count(s, substr string) int
func Cut(s, sep string) (before, after string, found bool)
func CutPrefix(s, prefix string) (after string, found bool)
func CutSuffix(s, suffix string) (before string, found bool)
func