package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`^0([1-9]{2})([1-9]{2})([2-3]{1})([0-9]{3})([0-9]{4})$|([1-9]{2})([2-3]{1})([0-9]{3})([0-9]{4})$`)
var str = `0157436211982`
if len(re.FindStringIndex(str)) > 0 {
fmt.Println(re.FindString(str),"found at index",re.FindStringIndex(str)[0])
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/