URL Validation

const re = new RegExp("https?:\\/\\/(?:www\\.)?[\\w\\-]+(?:\\.[\\w\\-]+)+[\\w\\-._~:/?#\\[\\]@!$&'()*+,;=%]*", "gi");
const input = "https://www.example.com";
const matches = [...input.matchAll(re)];
console.log(matches.map(m => m[0]));

import re

pattern = re.compile(r"https?:\/\/(?:www\.)?[\w\-]+(?:\.[\w\-]+)+[\w\-._~:/?#\[\]@!$&'()*+,;=%]*", re.IGNORECASE)
input_text = "https://www.example.com"
for m in pattern.finditer(input_text):
    print(m.group(0))

package main

import (
	"fmt"
	"regexp"
)

func main() {
	re := regexp.MustCompile(`(?i)https?:\/\/(?:www\.)?[\w\-]+(?:\.[\w\-]+)+[\w\-._~:/?#\[\]@!$&'()*+,;=%]*`)
	input := `https://www.example.com`
	for _, match := range re.FindAllString(input, -1) {
		fmt.Println(match)
	}
}