function validURL(str) {
  var pattern = new RegExp('^(https?:\\/\\/)?'+ // protocol
    '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|'+ // domain name
    '((\\d{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address
    '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path
    '(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string
    '(\\#[-a-z\\d_]*)?$','i'); // fragment locator
  return !!pattern.test(str);
}

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 04 2020

Clean Corncrake

0 Answers Avg Quality 2/10

validate url javascript

Comment

function isValidUrl(str) {
  const pattern = new RegExp(
    '^([a-zA-Z]+:\\/\\/)?' + // protocol
      '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' + // domain name
      '((\\d{1,3}\\.){3}\\d{1,3}))' + // OR IP (v4) address
      '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // port and path
      '(\\?[;&a-z\\d%_.~+=-]*)?' + // query string
      '(\\#[-a-z\\d_]*)?$', // fragment locator
    'i'
  );
  return pattern.test(str);
}

console.log(isValidUrl('https://www.freecodecamp.org/')); // true
console.log(isValidUrl('mailto://freecodecamp.org')); // true
console.log(isValidUrl('freeCodeCamp')); // false

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

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Contributed on Nov 23 2022

Mehedi Islam Ripon

0 Answers Avg Quality 2/10

validate URL in javascript

Comment

function isValidURL(string) {
  var res = string.match(/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/g);
  return (res !== null)
};

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Dec 27 2021

Hacker Harsha

0 Answers Avg Quality 2/10

javascript determine if string is valid url

Comment

function isValidHttpUrl(string) {
  let url;
  
  try {
    url = new URL(string);
  } catch (_) {
    return false;  
  }

  return url.protocol === "http:" || url.protocol === "https:";
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Feb 05 2021

XCalibre8

0 Answers Avg Quality 2/10

how to read valid url in javascript new URL()

Comment

function isValidHttpUrl(string) {
  let url;
  
  try {
    url = new URL(string);
  } catch (_) {
    return false;  
  }

  return url.protocol === "http:" || url.protocol === "https:";
}

Popularity 8/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 09 2021

Graceful Gnat

0 Answers Avg Quality 2/10

validate url javascript

Comment

-1

validateurl

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 19 2021

Crazy Chinchilla

0 Answers Avg Quality 2/10

javascript check if valid url

Comment

let urlString = "https://www.example.com/";

if (urlString.startsWith("https://") || urlString.startsWith("http://")) {
     console.log("valid");
} else {
     console.log("unvalid");
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript url

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Contributed on Jan 04 2022

DevNick

0 Answers Avg Quality 2/10

validate url in javascript

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