updated for version 7.3.1243
Problem: New regexp engine: back references in look-behind match don't
work. (Lech Lorens)
Solution: Copy the submatches before a recursive match.
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 7c14179..4fdbcf7 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -380,6 +380,9 @@
:call add(tl, [2, '\(a\)\(b\)\(c\)\(dd\)\(e\)\(f\)\(g\)\(h\)\(i\)\1\2\3\4\5\6\7\8\9', 'xabcddefghiabcddefghix', 'abcddefghiabcddefghi', 'a', 'b', 'c', 'dd', 'e', 'f', 'g', 'h', 'i'])
:call add(tl, [2, '\(\d*\)a \1b', ' a b ', 'a b', ''])
:call add(tl, [2, '^.\(.\).\_..\1.', "aaa\naaa\nb", "aaa\naaa", 'a'])
+:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<!$', 'foo.bat/foo.com', 'foo.bat/foo.com', 'bat'])
+:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<!$', 'foo.bat/foo.bat'])
+:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<=$', 'foo.bat/foo.bat', 'foo.bat/foo.bat', 'bat', 'bat'])
:"
:"""" Look-behind with limit
:call add(tl, [2, '<\@<=span.', 'xxspanxx<spanyyy', 'spany'])