bgp: use regexp.FindStringSubmatch() insead of regexp.FindSubMatch()

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>

1 files changed, 2 insertions, 6 deletions

diff --git a/packet/bgp.go b/packet/bgp.go
index c3f43bdb..2f246951 100644
--- a/packet/bgp.go
+++ b/packet/bgp.go
@@ -863,14 +863,10 @@ func GetRouteDistinguisher(data []byte) RouteDistinguisherInterface {
 
 func parseRdAndRt(input string) ([]string, error) {
 	exp := regexp.MustCompile("^((\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)|((\\d+)\\.)?(\\d+)):(\\d+)$")
-	group := exp.FindSubmatch([]byte(input))
-	if len(group) != 10 {
+	elems := exp.FindStringSubmatch(input)
+	if len(elems) != 10 {
 		return nil, fmt.Errorf("failed to parse")
 	}
-	elems := make([]string, 0, len(group))
-	for _, elem := range group {
-		elems = append(elems, string(elem))
-	}
 	return elems, nil
 }