Bearer Token (Authorization Header)

const re = new RegExp("Bearer\\s+([A-Za-z0-9\\-._~+\\/]+=*)", "i");
const input = "Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.abc.def";
const match = input.match(re);
console.log(match ? match[0] : null);

import re

pattern = re.compile(r"Bearer\s+([A-Za-z0-9\-._~+\/]+=*)", re.IGNORECASE)
input_text = "Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.abc.def"
for m in pattern.finditer(input_text):
    print(m.group(0))

package main

import (
	"fmt"
	"regexp"
)

func main() {
	re := regexp.MustCompile(`(?i)Bearer\s+([A-Za-z0-9\-._~+\/]+=*)`)
	input := `Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.abc.def`
	for _, match := range re.FindAllString(input, -1) {
		fmt.Println(match)
	}
}