From 54de768915d6c4cde339261712a3188be20a62ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Hrastnik?= <blaz@mxxn.io>
Date: Sun, 16 May 2021 18:58:43 +0900
Subject: [PATCH] Fix crash if typing | (regex or) into the prompt.

Zero-width matches at the start of the file make no sense to us.
---
 helix-term/src/commands.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index c285fd41..5960121a 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -639,6 +639,11 @@ fn _search(doc: &mut Document, view: &mut View, contents: &str, regex: &Regex, e
         let start = text.byte_to_char(mat.start());
         let end = text.byte_to_char(mat.end());
 
+        if end == 0 {
+            // skip empty matches that don't make sense
+            return;
+        }
+
         let head = end - 1;
 
         let selection = if extend {