From bef405bfa5f4ea3ec37505f1f97b4eac0645dd55 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sun, 25 Sep 2016 19:03:08 +0900
Subject: [PATCH] Ignore VT100-related escape codes

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

diff --git a/src/ansi.go b/src/ansi.go
index b870fe6..2bf4c62 100644
--- a/src/ansi.go
+++ b/src/ansi.go
@@ -33,7 +33,7 @@ func (s *ansiState) equals(t *ansiState) bool {
 var ansiRegex *regexp.Regexp
 
 func init() {
-	ansiRegex = regexp.MustCompile("\x1b\\[[0-9;]*[mK]")
+	ansiRegex = regexp.MustCompile("\x1b.[0-9;]*.")
 }
 
 func extractColor(str string, state *ansiState, proc func(string, *ansiState) bool) (string, *[]ansiOffset, *ansiState) {
@@ -98,7 +98,7 @@ func interpretCode(ansiCode string, prevState *ansiState) *ansiState {
 	} else {
 		state = &ansiState{prevState.fg, prevState.bg, prevState.bold}
 	}
-	if ansiCode[len(ansiCode)-1] == 'K' {
+	if ansiCode[1] != '[' || ansiCode[len(ansiCode)-1] != 'm' {
 		return state
 	}