ISBN-13

const re = new RegExp("\\b97[89][\\- ]?(?:\\d[\\- ]?){9}\\d\\b", "g");
const input = "978-0-306-40615-7";
const matches = [...input.matchAll(re)];
console.log(matches.map(m => m[0]));

import re

pattern = re.compile(r"\b97[89][\- ]?(?:\d[\- ]?){9}\d\b")
input_text = "978-0-306-40615-7"
for m in pattern.finditer(input_text):
    print(m.group(0))

package main

import (
	"fmt"
	"regexp"
)

func main() {
	re := regexp.MustCompile(`\b97[89][\- ]?(?:\d[\- ]?){9}\d\b`)
	input := `978-0-306-40615-7`
	for _, match := range re.FindAllString(input, -1) {
		fmt.Println(match)
	}
}