Use TrimRightFunc when wrapping text in TextView

textview.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"regexp"
 	"sync"
+	"unicode"
 	"unicode/utf8"
 
 	"github.com/gdamore/tcell/v2"
@@ -970,10 +971,10 @@ func (t *TextView) reindexBuffer(width int) {
 		if t.wrap && t.wordWrap {
 			for _, line := range t.index {
 				str := t.buffer[line.Line][line.Pos:line.NextPos]
-				spaces := spacePattern.FindAllIndex(str, -1)
-				if spaces != nil && spaces[len(spaces)-1][1] == len(str) {
+				trimmed := bytes.TrimRightFunc(str, unicode.IsSpace)
+				if len(trimmed) != len(str) {
 					oldNextPos := line.NextPos
-					line.NextPos -= spaces[len(spaces)-1][1] - spaces[len(spaces)-1][0]
+					line.NextPos -= len(str) - len(trimmed)
 					line.Width -= stringWidth(string(t.buffer[line.Line][line.NextPos:oldNextPos]))
 				}
 			}

textview_test.go

@@ -297,6 +297,8 @@ func BenchmarkTextViewDraw(b *testing.B) {
 }
 
 func TestTextViewMaxLines(t *testing.T) {
+	t.Parallel()
+
 	tv := NewTextView()
 
 	// append 100 lines with no limit set:
@@ -341,7 +343,6 @@ func TestTextViewMaxLines(t *testing.T) {
 	if !bytes.Equal(lines[0], []byte("L181")) {
 		t.Errorf("expected to get L181, got %s", lines[0])
 	}
-
 }
 
 func generateTestCases() []*textViewTestCase {