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What I have tried:

I tried it like this:

String[] segments = compound.split("(\([A-Za-z0-9]*\)[0-9]*)");

But I am getting an "illegal escape character" error.
Updated 21-Oct-21 23:09pm

1 solution

The backslash character in Java strings is an escape character: it introduces a sequence instead of being inserted on it's own: Characters - Learning the Java Language (Numbers and Strings)[^]
To instead a backslash, you double it:
String s = "\\in backslashes\\";

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