package main

import (
    "fmt"
    "regexp"
)

func main() {
    fmt.Println("start")
    //传入byte 返回byte
    //简单的查找
    str := "abcd123ha1231adaf231"
    reg := regexp.MustCompile("\\d+")
    data := reg.Find([]byte(str))
    fmt.Println(string(data))
    //index
    index := reg.FindIndex([]byte(str))
    fmt.Println(index[0],index[1])

    //byte查找所有
    reg = regexp.MustCompile("\\d+")
    dataS := reg.FindAll([]byte(str),-1)
    for _,v := range dataS {
        fmt.Println(string(v))
    }
    indexS := reg.FindAllIndex([]byte(str),v := range indexS {
        fmt.Println(v[0],v[1],[]byte(str)[v[0]:v[1]])
    }

    //find string
    fmt.Println(reg.FindString(str))
    fmt.Println(reg.FindAllString(str,-1))

    //find 汉字
    str = "he中国go中"
    reg = regexp.MustCompile("[\\p{Han}]+")
    fmt.Println(reg.FindAllString(str,-1))

    //查找并替换
    str = "你@的@样子"
    reg = regexp.MustCompile("@")
    fmt.Println(str,reg.ReplaceAllString(str,"#"))

}