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 } ...

This post introduces the basics of Java syntax so that you can better start to understand what all those lines do. Developing good practices now will save you a lot of trouble as an Android ...

Higher Testing Syntax, execution and logic errors Programmers often encounter logic, syntax and execution errors and use dry runs, trace tables and breakpoints to resolve errors and finalise code.