How to extract a url from a string in Java?

Question

I have a string containing a short-code which looks like the one below:

some text...
[video url="http://www.example.com/path/to/my/video.ext"]
...some more text...

I want to be able to first check if the string contains that short-code and second extract the URL from it in Java (specifically Android).

Ria · Accepted Answer · 2012-07-03 08:17:11Z

2

use this regex for checking and grabbing url:

\[\w+\s+url="(?<urllink>)[^"]*"\s*]

and get gorup named urllink

answered Jul 3, 2012 at 8:17

Ria

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ρяσѕρєя K · Accepted Answer · 2012-07-03 08:18:41Z

1

try as:

   String str = "[video url=\"http://www.example.com/path/to/my/video.ext\"]";
    if (str.contains("url=\""))
    {
        int indexoff = str.indexOf("url=\"");
        int indexofff = str.indexOf("\"]");
        String strurl = str.substring(indexoff, indexofff - indexoff);
        strurl = strurl.Replace("url=\"", ""); //get url string here

    }

answered Jul 3, 2012 at 8:18

ρяσѕρєя K

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1 Comment

2hamed Over a year ago

This what I used at last, but strangely it cut the string 7 characters short. So I had to add 7 to indexofff - indexoff manually!

Stefano Ortisi · Accepted Answer · 2012-07-03 08:12:42Z

0

Android provides several function for this purpose. SOme of this are:

answered Jul 3, 2012 at 8:12

Stefano Ortisi

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Comments

NimChimpsky · Accepted Answer · 2012-07-03 08:16:14Z

0

String url = "whatever"
Boolean myBool = url.contains("ate");

String contains. Not sure what extract url means, but the string class has lots of useful functions.

edited Jul 3, 2012 at 8:16

answered Jul 3, 2012 at 8:11

NimChimpsky

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1 Comment

2hamed Over a year ago

Extracting the URL means I need that URL in a separate var.

cl-r · Accepted Answer · 2012-07-03 08:52:13Z

0

A powerful and maintainable manner it to Java URL.class, then, you can mix with Regex

answered Jul 3, 2012 at 8:52

cl-r

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