It's due to the BuiltInFunctions, the patterns used didn't add escape for the closing }. Besides keyMatch3Pattern, the keyMatch4 there is also one regex pattern didn't add the escape for the closing } ...

Java has much to recommend it as a development language, but one thing it always has lacked is native regex support. Until recently, using regular expressions in Java has meant using third-party class ...

Complete your introduction to the Regex API, then find out how regular expressions make quicker work of common tasks like code documentation and lexical analysis.

This repo is a simple developer's aid in building and testing regex, implemented in Java. You would use this if you want to build your own regular expressions, and test them rigorously against a large ...

However, for some time now, in fact since Java version 1.4, there has been a regular expression package within the stand Java libraries. That is, the Java package, java.util.regex.

I try to create a class that uses regexp in Java. The function of the class is to get substrings that matches a pattern. In this case I would like to get 2 substrings since it contains 2 links. But I ...

You might need extra "\"s in java to escape the regex brackets, as those are special characters in regular expressions. Also, repeat as necessary to get each set of stuff in brackets.