From 8223679247dde5eeb975324423210e4ab125a5d1 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Thu, 13 Dec 2012 13:25:21 +0100
Subject: [PATCH] select/split: check expression is not empty

---
 src/main.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main.cc b/src/main.cc
index 0213aef5..88b7ca34 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -230,7 +230,7 @@ void do_select_regex(Context& context)
 {
     context.input_handler().prompt("select: ", complete_nothing,
         [](const String& ex, PromptEvent event, Context& context) {
-            if (event == PromptEvent::Validate)
+            if (event == PromptEvent::Validate and not ex.empty())
                 context.editor().multi_select(std::bind(select_all_matches, _1, ex));
         }, context);
 }
@@ -239,7 +239,7 @@ void do_split_regex(Context& context)
 {
     context.input_handler().prompt("split: ", complete_nothing,
         [](const String& ex, PromptEvent event, Context& context) {
-            if (event == PromptEvent::Validate)
+            if (event == PromptEvent::Validate and not ex.empty())
                 context.editor().multi_select(std::bind(split_selection, _1, ex));
         }, context);
 }