private Matcher getClassNameRegex(String propertySuffix) {
String regex = System.getProperty("jmockit-coverage-" + propertySuffix, "");
return regex.length() == 0 ? null : Pattern.compile(regex).matcher("");
}
ClassSelection() {
classesToInclude = getClassNameRegex("classes");
classesToExclude = getClassNameRegex("excludes");
testCode = Startup.isTestRun() ? Pattern.compile(".+Test(\\$.+)?").matcher("") : null;
}