Add Your own Group in this Website.
In Find what , paste \d{2}:\d{2}:\d{2},\d{3} --> \d{2}:\d{2}:\d{2},\d{3} . Leave Replace with blank and click Replace All .
In the box, type: ^#^#:^#^#:^#^#,^#^#^# --> ^#^#:^#^#:^#^#,^#^#^# Leave the Replace with box completely empty. Click Replace All . Remove line numbers: subtitle A.Quite.Place.Part.II.WEBRip.x264-ION1...
In Find what , paste ^\d+$ . Leave Replace with blank and click Replace All . In Find what
The easiest way is to use a free browser-based tool that strips out the formatting automatically. \d{3} --> \d{2}:\d{2}:\d{2}
If you already have the file open in Microsoft Word, you can use the tool to strip out the numbers and timestamps. Open your .srt file in Word.