java regex match any string, specific string , any string, specific string and any string

Question

I need to find picture location in HTML text based on regex.

e.g.

The HTML string is:

    <div style='background-image: url(http://www.mydomain.com/images/test.jpg); 
background-repeat: no-repeat; background-attachment: scroll; height: 400px;'>

And I need to define a regex that will find the end location of string that starts with http://www.mydomain.com and finishes with ).

What should be the regex?
How can I find the end location in java?

Might the http://www.mydomain.com appear elsewhere in the HTML you are parsing? Or can your regex just start with the hard-coded URL and capture the rest? — John B
– John B, Commented Mar 27, 2012 at 10:32

yggdraa · Accepted Answer · 2012-03-27 11:50:56Z

2

I would do something like this to find the url:

String input = "<div style='background-image: url(http://www.mydomain.com/images/test.jpg); \n" +
                "background-repeat: no-repeat; background-attachment: scroll; height: 400px;'>";

Pattern pattern = Pattern.compile("image:\\surl\\(([^)]+)\\)");
Matcher matcher = pattern.matcher(input);
if (matcher.find()){
    String url = matcher.group(1);
    System.out.println(url);
}

or

Pattern pattern = Pattern.compile("image:\\surl\\(http://www\\.mydomain\\.com([^)]+)\\)");

if you want to have only what follows the domain part

edited Mar 27, 2012 at 11:50

answered Mar 27, 2012 at 10:31

yggdraa

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3 Comments

John B Over a year ago

Then use lastIndex on / to parse it. Then assumes only one image tag in the HTML being parsed.

Dejell Over a year ago

This is not working for me. Because if I have the following: <div style='background-image: url((mydomain.com/images/test.jpg); color: rgb(112, 47, 43)' > The end location is 3) (from the rgb) and not the end of image ulr

yggdraa Over a year ago

edited regexp to catch string only before first closing ")" after domain name :)

John B · Accepted Answer · 2012-03-27 10:43:20Z

1

Another option would be something like this:

www\\.mydomain\\.com.*/([\\w-\\.]*)

When run on <div style='background-image: url(http://www.mydomain.com/images/test.jpg); background-repeat: no-repeat; background-attachment: scroll; height: 400px;'>

Group # 1 = test.jpg

answered Mar 27, 2012 at 10:43

John B

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1 Comment

Dejell Over a year ago

I tried it as well. <div style='background-image: url(mydomain.com/images/products/HappyBirthday1.jpg);> group1 returned to me div

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