What is a good regular expression to match a Custom URL?

Question

I need to regularize url with many cases in java.

• custom1://www.test.com:6666/path1/path2
• custom2://www.test.com/path1/path2
• custom3://www.test.com
• www.test.com:6666
• www.test.com:666

if this case, what can i use regex..?

Answer 1

You are saying custom URL first of all this is not a clear statement, you should be more clear, in normal case ^(https?|chrome):\/\/[^\s$.?#].[^\s]*$ this regex string should get the job done for you.

Answer 2

for matching only URLs using regular expressions, you can use the regex above

String regex = "((http|https)://)(www.)?"
              + "[a-zA-Z0-9@:%._\\+~#?&//=]"
              + "{2,256}\\.[a-z]"
              + "{2,6}\\b([-a-zA-Z0-9@:%"
              + "._\\+~#?&//=]*)";

I found this here

Answer 3

I think this should work just modified little from amireza's answer to add custom also after https or http

String regex = "(http|https)"
          + "[a-zA-Z0-9]"
          + "(://)(www.)?"
          + "[a-zA-Z0-9@:%._\\+~#?&//=]"
          + "{2,256}\\.[a-z]"
          + "{2,6}\\b([-a-zA-Z0-9@:%"
          + "._\\+~#?&//=]*)";