added word boundaries when replacing uptime_xxx variables

.tmux.conf

@@ -1242,19 +1242,19 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   case "$status_left $status_right" in
 #     *'#{uptime_'*|*'#{?uptime_'*)
 #       status_left=$(echo "$status_left" | sed -E \
-#         -e 's/#\{(\?)?uptime_y/#\{\1@uptime_y/g' \
-#         -e 's/#\{(\?)?uptime_d/#\{\1@uptime_d/g' \
+#         -e 's/#\{(\?)?uptime_y\b/#\{\1@uptime_y/g' \
+#         -e 's/#\{(\?)?uptime_d\b/#\{\1@uptime_d/g' \
 #         -e '/@uptime_y/ s/@uptime_d/@uptime_dy/g' \
 #         -e 's/#\{(\?)?uptime_h/#\{\1@uptime_h/g' \
-#         -e 's/#\{(\?)?uptime_m/#\{\1@uptime_m/g' \
-#         -e 's/#\{(\?)?uptime_s/#\{\1@uptime_s/g')
+#         -e 's/#\{(\?)?uptime_m\b/#\{\1@uptime_m/g' \
+#         -e 's/#\{(\?)?uptime_s\b/#\{\1@uptime_s/g')
 #       status_right=$(echo "$status_right" | sed -E \
-#         -e 's/#\{(\?)?uptime_y/#\{\1@uptime_y/g' \
-#         -e 's/#\{(\?)?uptime_d/#\{\1@uptime_d/g' \
+#         -e 's/#\{(\?)?uptime_y\b/#\{\1@uptime_y/g' \
+#         -e 's/#\{(\?)?uptime_d\b/#\{\1@uptime_d/g' \
 #         -e '/@uptime_y/ s/@uptime_d/@uptime_dy/g' \
-#         -e 's/#\{(\?)?uptime_h/#\{\1@uptime_h/g' \
-#         -e 's/#\{(\?)?uptime_m/#\{\1@uptime_m/g' \
-#         -e 's/#\{(\?)?uptime_s/#\{\1@uptime_s/g')
+#         -e 's/#\{(\?)?uptime_h\b/#\{\1@uptime_h/g' \
+#         -e 's/#\{(\?)?uptime_m\b/#\{\1@uptime_m/g' \
+#         -e 's/#\{(\?)?uptime_s\b/#\{\1@uptime_s/g')
 #       interval=60
 #       case "$status_left $status_right" in
 #         *'#{@uptime_s}'*)