in src/main/java/org/apache/maven/plugins/toolchain/jdk/SelectJdkToolchainMojo.java [251:260]
private boolean matches(String key, String reqVal, String tcVal) {
switch (key) {
case VERSION:
return RequirementMatcherFactory.createVersionMatcher(tcVal).matches(reqVal);
case ENV:
return reqVal.matches("(.*,|^)\\Q" + tcVal + "\\E(,.*|$)");
default:
return RequirementMatcherFactory.createExactMatcher(tcVal).matches(reqVal);
}
}