fix lookahead

2 files changed, 16 insertions, 0 deletions

diff --git a/test-cases/case2_positive_lookahead/script.sh b/test-cases/case2_positive_lookahead/script.sh
index f19441a..053461d 100644
--- a/test-cases/case2_positive_lookahead/script.sh
+++ b/test-cases/case2_positive_lookahead/script.sh
@@ -88,4 +88,18 @@ match x4 aaaaaaaaaaae no
 match x4 aaaaaaaaaaaae yes
 echo x4
 
+fun x5 {
+    case $1 {
+        (?=(a.)*e)(?=(a..)*e)(?=(a....)*e).*e { echo yes }
+        .* { echo no }
+    }
+}
+match x5 e yes
+match x5 aaaaaaaaaaaaaaaaaaaaaaaaaaaaae no
+match x5 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaae yes
+match x5 a.aaaaaaaaaaaaaaaaaaaaaaaaaaa.e yes
+match x5 .aaaaaaaaaaaaaaaaaaaaaaaaaaaaae no
+match x5 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaae no
+echo x5
+
 echo done
diff --git a/test-cases/case2_positive_lookahead/stdout.txt b/test-cases/case2_positive_lookahead/stdout.txt
index ffa387f..fa2c182 100644
--- a/test-cases/case2_positive_lookahead/stdout.txt
+++ b/test-cases/case2_positive_lookahead/stdout.txt
@@ -1,6 +1,8 @@
 begin
+x0
 x1
 x2
 x3
 x4
+x5
 done