Remove tokenized string from URL and return

October 18, 2022

Code I’m implementing is trying to modify a URL by removing series of numbers and letters if available. What am I missing?

function removeToken() {
      let tokenUrl = "https://www.example.com/pathone/pathtwo/8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e/summary";
      let regex = new RegExp("/(?:\d+[a-z]|[a-z]+\d)[a-z\d]*");// if url matches anything like 8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e
      if (regex.test(tokenUrl)) {
          tokenUrl = tokenUrl.replace("/(?:\d+[a-z]|[a-z]+\d)[a-z\d]*", ''); //remove anything like /8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e from URL
          return tokenUrl; // desired return https://www.example.com/pathone/pathtwo/summary
      } else {
          return tokenUrl;
      }
    }

>Solution :

Defining the regex directly without the class constructor works for me

function removeToken() {
let tokenUrl = "https://www.example.com/pathone/pathtwo/8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e/summary";
let regex = /\/(?:\d+[a-z]|[a-z]+\d)[a-z\d]*/  // if url matches anything like 8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e
if (regex.test(tokenUrl)) {
    tokenUrl = tokenUrl.replace(regex, ''); //remove anything like /8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e from URL
    return tokenUrl; // desired return https://www.example.com/pathone/pathtwo/summary
} else {
    return tokenUrl;
}
}

You can also make it a bit more dry

function removeToken() {
    let tokenUrl = "https://www.example.com/pathone/pathtwo/8943d932fee15d8be922d1f51f68c0bf3f929824fd48cda8299144861d214c3e/summary";
    let regex = /\/(?:\d+[a-z]|[a-z]+\d)[a-z\d]*/ 
    return tokenUrl.replace(regex, ''); 
}