The particular pattern we use to test it is used in ImgLib2, based on
this answer on stackoverflow:
http://stackoverflow.com/a/279337
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This adds support for character classes such as \d or \W, leaving \p{...}
style character classes as an exercise for later.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Now that we have non-greedy repeats, we can implement the find() (which
essentially prefixes the regular expression pattern with '.*?'.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Among other challenges, this regular expression is designed to demonstrate
that thread prioritization is finicky: Given the string 'aaaaaa' to match,
the first four threads will try to grab the second 'a', the third thread
(the one that matched the '(a??)' group) having scheduled the same
instruction pointer to the '(a+)' group that the second -- higher-priority
-- thread will try to advance to only after processing the '(a??)' group's
SPLIT. The second thread must override the third thread in that case,
essentially stopping the latter.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
We still do not parse the regular expression patterns, but we can at
least test that the hardcoded 'a(bb)+a' works as expected.
This class will be extended as we support more and more features.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
