如何修剪字符串的前导和尾随空白? [英] How to trim leading and trailing white spaces of a string?

问题描述

哪种是在Go中修剪字符串变量的开头和结尾空白的有效方法?

Which is the effective way to trim the leading and trailing white spaces of string variable in Go?

推荐答案

strings.TrimSpace(s)

例如，

package main

import (
    "fmt"
    "strings"
)

func main() {
    s := "\t Hello, World\n "
    fmt.Printf("%d %q\n", len(s), s)
    t := strings.TrimSpace(s)
    fmt.Printf("%d %q\n", len(t), t)
}

输出:

16 "\t Hello, World\n "
12 "Hello, World"

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