diff --git a/Regex/run b/Regex/run
index d7edfb7..7a85650 100644
--- a/Regex/run
+++ b/Regex/run
@@ -12,46 +12,42 @@ regex2=$(cat student_regex2)
 regex3=$(cat student_regex3)
 regex4=$(cat student_regex4)
 
-output1=$(grep -oP $regex1 apache.log)
-good_output1=$(grep -oP '(\d{1,3}\.){3}\d{1,3}' apache.log)
+grep -oP $regex1 apache.log > student_result1
+grep -oP '(\d{1,3}\.){3}\d{1,3}' apache.log > good_result1
 
-if [ $output1 == $good_output1 ]; then
+if diff student_result1 good_result1; then
     feedback-result --id regex1 success
     feedback-msg -em "Bravo"
 else
     feedback-result --id regex1 failed
-    feedback-msg -em "Résultat de votre programme : $output1"
 fi
 
-output2=$(grep -oP $regex2 apache.log)
-good_output2=$(grep -oP '\[.*?\]' apache.log)
+grep -oP $regex2 apache.log > student_result2
+grep -oP '\[.*?\]' apache.log > good_result2
 
-if [ $output2 == $good_output2 ]; then
+if diff student_result2 good_result2; then
     feedback-result --id regex2 success
     feedback-msg -em "Bravo"
 else
     feedback-result --id regex2 failed
-    feedback-msg -em "Résultat de votre programme : $output2"
 fi
 
-output3=$(grep -oP $regex3 apache.log)
-good_output3=$(grep -oP '"GET\s.*?"' apache.log)
+grep -oP $regex3 apache.log > student_result3
+grep -oP '"GET\s.*?"' apache.log > good_result3
 
-if [ $output3 == $good_output3 ]; then
+if diff student_result3 good_result3; then
     feedback-result --id regex3 success
     feedback-msg -em "Bravo"
 else
     feedback-result --id regex3 failed
-    feedback-msg -em "Résultat de votre programme : $output3"
 fi
 
-output4=$(grep -oP $regex4 apache.log)
-good_output4=$(grep -oP '^.*200.*$' apache.log)
+grep -oP $regex4 apache.log > student_result4
+grep -oP '^.*200.*$' apache.log > good_result4
 
-if [ $output4 == $good_output4 ]; then
+if diff student_result4 good_result4; then
     feedback-result --id regex4 success
     feedback-msg -em "Bravo"
 else
     feedback-result --id regex4 failed
-    feedback-msg -em "Résultat de votre programme : $output4"
 fi
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