String.split() *not* on regular expression?

Question

Since String.split() works with regular expressions, this snippet:

String s = \"str?str?argh\";
s.split(\"r?\");

... yields: <

Answer 1

A general solution using just Java SE APIs is:

String separator = ...
s.split(Pattern.quote(separator));

The quote method returns a regex that will match the argument string as a literal.