30秒学会 Golang 片段 – IsLower

Checks if a string is lower case.

Use strings.ToLower() to convert the string to lower case and compare it to the original string.

代码实现

import "strings"

func IsLower(s string) bool {
    return strings.ToLower(s) == s
}

使用样例

IsUpper("go") // true
IsUpper("Go") // false