regular expressions _ golang

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Go ofer built-in support for regular expressions. Here are some examples of common regexp-related tasks in Go.

package mainimport (    // "bytes"    "fmt"    "regexp")func main() {    match, _ := regexp.MatchString("p([a-z]+)ch", "peach")    fmt.Println(match)    r, _ := regexp.Compile("p([a-z]+)ch")    fmt.Println(r.MatchString("peach"))    fmt.Println(r.FindStringIndex("peach punch"))    fmt.Println(r.FindStringSubmatch("peach punch"))    fmt.Println(r.FindStringSubmatchIndex("peach punch"))}

truetrue[0 5][peach ea][0 5 1 3]