docs/DEVELOPER_README
Print this page
@@ -336,10 +336,19 @@
dump profiling data for all callsites to stderr as a shutdown hook. To
instead redirect this to a file, specify the path to the file using
this system property.
+SYSTEM_PROPERTY: nashorn.regexp.impl=[jdk|joni]
+
+This property defines the regular expression engine to be used by
+Nashorn. The default implementation is "jdk" which is based on the
+JDK's java.util.regex package. Set this property to "joni" to install
+an implementation based on Joni, the regular expression engine used by
+the JRuby project.
+
+
===============
2. The loggers.
===============
It is very simple to create your own logger. Use the DebugLogger class