//util/bin/my-global-ipv4-addr: use BRE @sed

1 files changed, 2 insertions, 1 deletions

diff --git a/util/bin/my-global-ipv4-addr b/util/bin/my-global-ipv4-addr
index 305d3f80..71608a8a 100755
--- a/util/bin/my-global-ipv4-addr
+++ b/util/bin/my-global-ipv4-addr
@@ -8,7 +8,8 @@
 if test $# = 1; then
   has() { type "$1" 1>/dev/null 2>/dev/null; }
   parse() {
-    sed -rn 's/.*((1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])).*/\1/p' | grep .
+    sed -n 's/.*\(\(1\?[0-9][0-9]\|2[0-5][0-9]\)\.\(1\?[0-9][0-9]\|2[0-5][0-9]\)\.\(1\?[0-9][0-9]\|2[0-5][0-9]\)\.\(1\?[0-9][0-9]\|2[0-5][0-9]\)\).*/\1/p' |
+      grep .
   }
   get () {
     # TODO get random valid user agent