javascript fetch last url without prefix

Question

I am looking to detect last url from text using javascript or mootools. Url canbe without prefix/scheme

I am working on URL auto sense like Facebook. Where a user may give an URL www.example.com or with http://www.example.com either of them should be detected by JavaScript. see stackoverflow detected URL that included with scheme without URL scheme it couldn't detect URL. In my case I need both.

Here is some text

'http://www.example.com www.example2.com'

Now I want www.example2.com It will be better if I get full array containing both http://www.example.com and www.example2.com

I searched a lot but couldn't find solution. Most close to my requirements were Question about URL Validation with Regex and How do I extract a URL from plain text using jQuery?

Any help greatly appreciated.

Community · Accepted Answer · 2017-05-23 12:12:25Z

1

by combing info in these 2 links: How do I extract a URL from plain text using jQuery? Detect URLs in text with JavaScript

We can get this: http://jsfiddle.net/qQwGA/1/

If I understand what you're trying to do, this should cover it.

edited May 23, 2017 at 12:12

CommunityBot

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answered Oct 10, 2012 at 12:53

Pyro979

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1 Comment

ARIF MAHMUD RANA Over a year ago

Pyro979 thanks it seems to work let me check a little bit more. Once again many many thanks for your response.

Savageman · Accepted Answer · 2012-10-10 07:52:10Z

1

Given your input string, I think you just want to split it using spaces as separator? .split(' ') ?

answered Oct 10, 2012 at 7:52

Savageman

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2 Comments

ARIF MAHMUD RANA Over a year ago

Savageman this is just a sample please keep in mind. I have given references also which were very close to my necessity. thanks.

Savageman Over a year ago

Please edit your question with more details. I can't understand better than I answered...

Community · Accepted Answer · 2021-10-07 06:01:06Z

1

REGEX

/([^:\/?# ]+:)?(\/\/[^\/?# ]*)?[^?# ]+(\?[^# ]*)?(#\S*)?/gi

**SAMPLE CODE**

var str = 'http://www.example.com www.example2.com scheme://username:password@domain:port/path?query_string#fragment_id';
var t = str.match(/([^:\/?# ]+:)?(\/\/[^\/?# ]*)?[^?# ]+(\?[^# ]*)?(#\S*)?/gi);

/* 
   t contains : 
   [ 
     "http://www.example.com",
     "www.example2.com",
     "scheme://username:password@domain:port/path?query_string#fragment_id"
   ]
*/

**DEMO** >http://jsfiddle.net/wvYTd/
**DISCUSSION**

This regex will find any substring that looks like an URL in an input string.
No validation is performed on any URL found. For instance, if the input string is 3aBadScheme://hostname, the regex will detect it as an URL. In this example, 3aBadScheme is invalid since a scheme MUST start with a letter.

Excerpt from RFC3986

(...)
Scheme names consist of a sequence of characters beginning with a letter and followed by any combination of letters, digits, plus ("+"), period ("."), or hyphen ("-").
(...)

edited Oct 7, 2021 at 6:01

CommunityBot

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answered Oct 10, 2012 at 7:49

Stephan

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6 Comments

Michal Klouda Over a year ago

I bet that was just a sample url ;))

Stephan Over a year ago

And customizing the answer for her need will be a good exercide for OP :)

ARIF MAHMUD RANA Over a year ago

I agree with @MichalKlouda. This is just a sample text please keep in mind. I have given references also which were very close to my necessity. thanks.

Stephan Over a year ago

I have updated the regex and the jsfiddle link. Again, if you have more url samples valid in your context, send them.

ARIF MAHMUD RANA Over a year ago

@Stephan thanks. Let me explain me a bit more. I am working on URL auto sense like Facebook. Where a user may give an URL as I said www.example.com or with example.com either of them should be detected by JavaScript.

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