diff --git a/reg-tests/http-rules/converters_ipmask_concat_strcmp_field_word.vtc b/reg-tests/http-rules/converters_ipmask_concat_strcmp_field_word.vtc
index 1f1505263..7149b183e 100644
--- a/reg-tests/http-rules/converters_ipmask_concat_strcmp_field_word.vtc
+++ b/reg-tests/http-rules/converters_ipmask_concat_strcmp_field_word.vtc
@@ -13,18 +13,18 @@ server s1 {
    expect req.http.srcmask2 == "192.168.0.0"
    expect req.http.srcmask3 == "192.0.0.0"
 
-   expect req.http.test1mask128 == "2001:db8::1"
-   expect req.http.test2mask64 == "2001:db8::"
-   expect req.http.test2mask128 == "2001:db8::bad:c0f:ffff"
-   expect req.http.test2mask120 == "2001:db8::bad:c0f:ff00"
-   expect req.http.test2maskff00 == "2001:db8::bad:c0f:ff00"
-   expect req.http.test2maskfee0 == "2001:db8::bad:c0f:fee0"
+   expect req.http.test1mask128 ~ "2001:db8:[0:]*:1"
+   expect req.http.test2mask64 ~ "2001:db8:[0:]+"
+   expect req.http.test2mask128 ~ "2001:db8:[0:]*:bad:c0f:ffff"
+   expect req.http.test2mask120 ~ "2001:db8:[0:]*:bad:c0f:ff00"
+   expect req.http.test2maskff00 ~ "2001:db8:[0:]*:bad:c0f:ff00"
+   expect req.http.test2maskfee0 ~ "2001:db8:[0:]*:bad:c0f:fee0"
 
-   expect req.http.test3mask64 == "2001:db8:c001:c01a::"
-   expect req.http.test3mask64v2 == "2001:db8:c001:c01a::"
-   expect req.http.test3mask64v3 == "2001:db8:c001:c01a::"
-   expect req.http.test3maskff == "2001:db8:c001:c01a:0:ffff:10:0"
-   expect req.http.test3maskv2 == "2001:db8:c001:c01a:c001:c001::"
+   expect req.http.test3mask64 ~ "2001:db8:c001:c01a:[0:]+"
+   expect req.http.test3mask64v2 ~ "2001:db8:c001:c01a:[0:]+"
+   expect req.http.test3mask64v3 ~ "2001:db8:c001:c01a:[0:]+"
+   expect req.http.test3maskff ~ "2001:db8:c001:c01a:[0:]*:ffff:10:[0:]+"
+   expect req.http.test3maskv2 ~ "2001:db8:c001:c01a:c001:c001:[0:]+"
 
    expect req.http.test4mask32 == "192.168.1.101"
 
@@ -204,7 +204,7 @@ client c1 -connect ${h1_fe1_sock} -proxy2 "192.168.1.101:1234 127.0.0.1:2345" {
 # cli show be1 stick table
 haproxy h1 -cli {
     send "show table be1"
-    expect ~ "^# table: be1, type: ipv6, size:20, used:3\\n0x[a-f0-9]+: key=::ffff:192\\.168\\.1\\.0 use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n0x[a-f0-9]+: key=::ffff:192\\.168\\.1\\.101 use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n0x[a-f0-9]+: key=2001:db8:c001:c01a:: use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n"
+    expect ~ "^# table: be1, type: ipv6, size:20, used:3\\n0x[a-f0-9]+: key=::ffff:192\\.168\\.1\\.0 use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n0x[a-f0-9]+: key=::ffff:192\\.168\\.1\\.101 use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n0x[a-f0-9]+: key=2001:db8:c001:c01a:[0:]+ use=0 exp=[[:digit:]]+ gpc0=0 conn_cnt=1\\n"
 }
 
 # concat,strcmp,word,field tests