Version regex is nill causing invalid memory address or nil pointer dereference

Hi projectdiscovery team, thank you guys for the great tool. I want to report the issue that caused this error "invalid memory address or nil pointer dereference". I have debugged and figured out that the VersionRegex is Nil, the error happened in "github.com/projectdiscovery/wappalyzergo.(*VersionRegex).MatchString"

You guys can reproduce the error using below code!

package main

import (
    "fmt"
    "io"
    "log"
    "net/http"

    wappalyzer "github.com/projectdiscovery/wappalyzergo"
)

func main() {
    resp, err := http.DefaultClient.Get("https://samchicks.com")
    if err != nil {
        log.Fatal(err)
    }
    data, _ := io.ReadAll(resp.Body) // Ignoring error for example

    wappalyzerClient, err := wappalyzer.New()
    fingerprints := wappalyzerClient.Fingerprint(resp.Header, data)
    fmt.Printf("%v\n", fingerprints)

    // Output: map[Acquia Cloud Platform:{} Amazon EC2:{} Apache:{} Cloudflare:{} Drupal:{} PHP:{} Percona:{} React:{} Varnish:{}]
}

projectdiscovery / wappalyzergo

Version regex is nill causing invalid memory address or nil pointer dereference #93