packagech01// author:郜宇博typeCmdstruct{// 标注是否为 --helphelpFlagbool//标注是否为 --versionversionFlagbool//选项cpOptionstring//主类名,或者是jar文件classstring//参数args []string} Go语言标准库包 由于要处理的命令行,因此将使用到flag()函数,此函数为Go的标准库包之一。 Go语言的标准库以包的...
join_split.go package main import ( "fmt" "strings" ) func main() { langs := []string{"F#", "Go", "Python", "Perl", "Erlang"} s := strings.Join(langs, ", ") fmt.Println(s) data := strings.Split(s, ",") fmt.Println(data) } We define a slice of strings. We join ...
SplitAnysplits the string on any character inchars, whileCountAnyreturns how many times any of the characters incharsappears in the supplied string. There could be another functionSplitAnyNwith the signaturefunc SplitAnyN(s, chars string, n int []stringthat limits the splitting to a maximum ofn...
Ken had started work on a compiler with which to explore ideas; it generated C code as its output. By mid-year the language had become a full-time project and had settled enough to attempt a production compiler. In May 2008, Ian Taylor independently started on a GCC front end for Go ...
fmt.Println(i,string(s)) } } 其他操作 str :="中国人民, hello world"index := strings.Index(str,"国")//存在则 index > -1, 否则 == -1 此时index=-3split := strings.Split(str,",") replace := strings.Replace(str,"o","2",1)//第三个参数标识替换几个,小于0,则替换所有result :...
1 Example of strings.Contains() // Golang program to demonstrate the// example of strings.Contains() Functionpackagemainimport("fmt""strings")funcmain() { fmt.Println(strings.Contains("Hello, world!","Hello")) fmt.Println(strings.Contains("Hello, world!","world")) ...
func splitAtBytes(s string, t string) []string { 96 a := make([]string, 1+countAnyByte(s, t)) 97 n := 0 98 last := 0 99 for i := 0; i < len(s); i++ { 100 if bytealg.IndexByteString(t, s[i]) >= 0 { ...
argv - Go library to split command line string as arguments array using the bash syntax. carapace - Command argument completion generator for spf13/cobra. carapace-bin - Multi-shell multi-command argument completer. carapace-spec - Define simple completions using a spec file. climax - Alternative...
fmt.Printf("%v", r.MatchString("/home/bill/My Documents")) 1. 2. 3. 检查一个字符串是不是包含单词字符以外的字符: r, err := regexp.Compile(`\W`) // Not a \w character. fmt.Printf("%v", r.MatchString("555-shoe")) // true: has a non-word char: The hyphen ...