JWT Token

const re = new RegExp("eyJ[A-Za-z0-9_\\-]+\\.eyJ[A-Za-z0-9_\\-]+\\.[A-Za-z0-9_\\-]+", "g");
const input = "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.abc123-_";
const matches = [...input.matchAll(re)];
console.log(matches.map(m => m[0]));

import re

pattern = re.compile(r"eyJ[A-Za-z0-9_\-]+\.eyJ[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]+")
input_text = "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.abc123-_"
for m in pattern.finditer(input_text):
    print(m.group(0))

package main

import (
	"fmt"
	"regexp"
)

func main() {
	re := regexp.MustCompile(`eyJ[A-Za-z0-9_\-]+\.eyJ[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]+`)
	input := `eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.abc123-_`
	for _, match := range re.FindAllString(input, -1) {
		fmt.Println(match)
	}
}