4 files changed, 13 insertions, 6 deletions
diff --git a/sysconfig/network-scripts/ifdown-routes b/sysconfig/network-scripts/ifdown-routes
index fef0ec3b..00e592f7 100755
--- a/sysconfig/network-scripts/ifdown-routes
+++ b/sysconfig/network-scripts/ifdown-routes
@@ -9,6 +9,8 @@ fi
 # The routes are actually dropped just by setting the link down, so nothing
 # needs to be done
 
+MATCH='^[[:space:]]*(\#.*)?$'
+
 # Routing rules
 FILES="/etc/sysconfig/network-scripts/rule-$1"
 if [ -n "$2" -a "$2" != "$1" ]; then
@@ -18,7 +20,7 @@ fi
 for file in $FILES; do
    if [ -f "$file" ]; then
        { cat "$file" ; echo ; } | while read line; do
-	   if [[ ! "$line" =~ '^[[:space:]]*(\#.*)?$' ]]; then
+	   if [[ ! "$line" =~ $MATCH ]]; then
 	       /sbin/ip rule del $line
 	   fi
        done
diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index 89e963dc..3553f45b 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -68,11 +68,13 @@ fi
 # Ethernet 802.1Q VLAN support
 if [ -x /sbin/vconfig -a "${VLAN}" = "yes" -a "$ISALIAS" = "no" ]; then
     VID=""
-    if [[ "${DEVICE}" =~ '^(eth|bond)[0-9]+\.[0-9]{1,4}$' ]]; then
+    MATCH='^(eth|bond)[0-9]+\.[0-9]{1,4}$'
+    if [[ "${DEVICE}" =~ $MATCH ]]; then
 	VID=$(echo "${DEVICE}" | LC_ALL=C sed 's/^[a-z0-9]*\.0*//')
 	PHYSDEV=${DEVICE%.*}
     fi
-    if [[ "${DEVICE}" =~ '^vlan[0-9]{1,4}?' ]]; then
+    MATCH='^vlan[0-9]{1,4}?'
+    if [[ "${DEVICE}" =~ $MATCH ]]; then
 	VID=$(echo "${DEVICE}" | LC_ALL=C sed 's/^vlan0*//')
 	# PHYSDEV should be set in ifcfg-vlan* file
 	if test -z "$PHYSDEV"; then
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases
index 8b2dc732..4c03941e 100755
--- a/sysconfig/network-scripts/ifup-aliases
+++ b/sysconfig/network-scripts/ifup-aliases
@@ -167,7 +167,8 @@ function new_interface ()
        IPGLOP="${ipa%%.*}_${ipb%%.*}_${ipc%%.*}_${ipc#*.}";
        DEVNUM=${DEVICE#*:}
 
-       if (LC_ALL=C; [[ ! "$DEVNUM" =~ '^[0-9A-Za-z_]*$' ]]); then
+       MATCH='^[0-9A-Za-z_]*$'
+       if (LC_ALL=C; [[ ! "$DEVNUM" =~ $MATCH ]]); then
 	      echo $"error in $FILE: invalid alias number" >&2
 	      return 1
        fi
diff --git a/sysconfig/network-scripts/ifup-routes b/sysconfig/network-scripts/ifup-routes
index d065aaf9..83a7adc3 100755
--- a/sysconfig/network-scripts/ifup-routes
+++ b/sysconfig/network-scripts/ifup-routes
@@ -26,6 +26,8 @@ if [ -n "$2" -a "$2" != "$1" ]; then
     FILES="$FILES /etc/sysconfig/network-scripts/route-$2"
 fi
 
+MATCH='^[[:space:]]*(\#.*)?$'
+
 for file in $FILES; do
    if [ -f "$file" ]; then
        if egrep -q '^[[:space:]]*ADDRESS[0-9]+=' $file ; then
@@ -34,7 +36,7 @@ for file in $FILES; do
        else
            # older format
            { cat "$file" ; echo ; } | while read line; do
-               if [[ ! "$line" =~ '^[[:space:]]*(\#.*)?$' ]]; then
+               if [[ ! "$line" =~ $MATCH ]]; then
                    /sbin/ip route add $line
                fi
            done
@@ -58,7 +60,7 @@ fi
 for file in $FILES; do
    if [ -f "$file" ]; then
        { cat "$file" ; echo ; } | while read line; do
-	   if [[ ! "$line" =~ '^[[:space:]]*(\#.*)?$' ]]; then
+           if [[ ! "$line" =~ $MATCH ]]; then
 	       /sbin/ip rule add $line
 	   fi
        done