diff --git a/communication_techniques/parsing.sh b/communication_techniques/parsing.sh
index 2c03b8b..df83b2c 100755
--- a/communication_techniques/parsing.sh
+++ b/communication_techniques/parsing.sh
@@ -184,7 +184,7 @@ get_metric_values ()
 	metriquePattern="$5"
 
 	logFile=cache_$cache-*-typeProd_$prod-argTypeProd_$argTypeProd-*-${com}_comm.log
-	metricValues=$(grep -E "$metriquePattern" $logFile | sed -r "s/^(.*[^[:alnum:].,])?($metriquePattern)([^[:alnum:]].*)?$/\2/;s/^(.*[^[:alnum:].,])?([[:digit:].,]+)([^[:alnum:]].*)?$/\2/;s/[,.]/./")
+	metricValues=$(grep -E "$metriquePattern" $logFile | sed -r "s/^ *($metriquePattern).*$/\1/;s/^ *([[:digit:]., ]+).*$/\1/;s/[,.]/./" | tr -d ' ')
 	totalValue=0
 	for metricValue in $metricValues
 	do
@@ -435,16 +435,16 @@ main()
 				for metrique in $metriqueList ; do
 					case "$metrique" in
 						cache_hits)
-							metriquePattern="[[:digit:]]+ +(L1-dcache-loads|L1-dcache-stores|L1-dcache-prefetches|LLC-loads|LLC-stores|LLC-prefetches) "
+							metriquePattern="[[:digit:] ]+(L1-dcache-loads|L1-dcache-stores|L1-dcache-prefetches|LLC-loads|LLC-stores|LLC-prefetches) "
 							ylabel="Nb cache hit" ;;
 						cache_miss)
-							metriquePattern="[[:digit:]]+ +(L1-dcache-load-misses|L1-dcache-store-misses|L1-dcache-prefetch-misses|LLC-load-misses|LLC-store-misses|LLC-prefetch-misses) "
+							metriquePattern="[[:digit:] ]+(L1-dcache-load-misses|L1-dcache-store-misses|L1-dcache-prefetch-misses|LLC-load-misses|LLC-store-misses|LLC-prefetch-misses) "
 							ylabel="Nb cache miss" ;;
 						cycles)
-							metriquePattern="[[:digit:]]+ +cycles "
+							metriquePattern="[[:digit:] ]+cycles "
 							ylabel="Nb cycles" ;;
 						total_time)
-							metriquePattern="[[:digit:].,]+ +seconds time elapsed "
+							metriquePattern="[[:digit:]., ]+seconds time elapsed "
 							ylabel="Secondes" ;;
 						*)
 							echo "Pas de pattern pour cette métrique : $metrique"