From c73da05ccb3ba98a33dc391faffe6cb78bef2f98 Mon Sep 17 00:00:00 2001
From: Rossiani Wijaya <rwijaya@moodle.com>
Date: Wed, 30 Nov 2011 11:26:15 +0800
Subject: [PATCH] MDL-29730 Lesson mod: fixed check_answer() for shortanswser
 with regular expression option enable

---
 mod/lesson/pagetypes/shortanswer.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mod/lesson/pagetypes/shortanswer.php b/mod/lesson/pagetypes/shortanswer.php
index a8a64a6db9c..a3353a889b3 100644
--- a/mod/lesson/pagetypes/shortanswer.php
+++ b/mod/lesson/pagetypes/shortanswer.php
@@ -85,8 +85,8 @@ class lesson_page_type_shortanswer extends lesson_page {
 
             if ($useregexp) { //we are using 'normal analysis', which ignores case
                 $ignorecase = '';
-                if (substr($expectedanswer,0,-2) == '/i') {
-                    $expectedanswer = substr($expectedanswer,0,-2);
+                if (substr($expectedanswer, -2) == '/i') {
+                    $expectedanswer = substr($expectedanswer, 0, -2);
                     $ignorecase = 'i';
                 }
             } else {