1 files changed, 2 insertions, 2 deletions
diff --git a/re.c b/re.c
index f676b203d7..26d1ee956d 100644
--- a/re.c
+++ b/re.c
@@ -1523,8 +1523,8 @@ rb_reg_match(re, str)
  *     
  *     a = "HELLO"
  *     case a
- *     when /^a-z*$/; print "Lower case\n"
- *     when /^A-Z*$/; print "Upper case\n"
+ *     when /^[a-z]*$/; print "Lower case\n"
+ *     when /^[A-Z]*$/; print "Upper case\n"
  *     else;            print "Mixed case\n"
  *     end
  *