Using Regex to filter part of URL


I need to filter out the last part of the url I get back from the `WebUI.getURL()` function.
I have the Regex to filter but I do not know how to do it. I will need to store the value to use it later in the script.
Here is my Regex



Hi Laszlo,

you don’t need regex if you want to get a string after last slash in your URL. You can do it this way:

// replace url string by WebUI.getURL()String url = ''// this method gets index of last "/"
int lastSlashIndex = url.lastIndexOf("/")// get a substring after last "/" to the end
String lastUrlPart = url.substring(lastSlashIndex + 1)

Thank you Marek,

The problem is that if I need test a webpae that has special character like ? or in my case there is a trailing `slash` and I need the word between the last two slashes. Ie.:

So I need the word `subpage` from the URL

Indeed. Then, you must use Pattern and Matcher classes from java.util.regex package.

import java.util.regex.Matcher
import java.util.regex.Pattern
import com.kms.katalon.core.util.KeywordUtil
String url = ''
Pattern regexPat = Pattern.compile('(?:(\\w+)\\/$|(\\w+)\\?|(\\w+)$)')
Matcher mat = regexPat.matcher(url)
if(mat.find()) {
    String result =
    println result
else {
    KeywordUtil.markFailed('Substring not found.')
}// pattern found:subpage/

You may need to improve your regex string to remove trailing slash from the result substring.


Thank you, works perfectly.

I really had to upda the regex string as it stopped at the - and did not take all words between the slashes.