ファイル名から一致する正規表現を削除します。

私はCent OS PCに5000以上のトラックを持っているラジオ局の所有者です。彼らの名前はこんな感じです

01. Craig David - Love Yourself (Live from BBC Radio's Live Lounge).mp3
01. The Maccabees - Hello (Live from BBC Radio's Live Lounge).mp3
02. Lukas Graham - 7 Years (Live from BBC Radio's Live Lounge).mp3
02. The Weeknd - Can't Feel My Face (Live from BBC Radio's Live Lounge).mp3
03. Blonde - Work - Pillowtalk - Children (Live from BBC Radio's Live Lounge).mp3
03. Olly Murs - Can't Stop the Feeling - Rock Your Body (Live from BBC Radio's Live Lounge).mp3
04. Coldplay - Adventure of a Lifetime (Live from BBC Radio's Live Lounge).mp3
04. One Direction - Four Five Seconds (Live from BBC Radio's Live Lounge).mp3
05. Jonas Blue - Hotter Than Hell (Live from BBC Radio's Live Lounge).mp3
05. Nick Jonas - Lush Life (Live from BBC Radio's Live Lounge).mp3
06. Fifth Harmony - Ex's & Oh's (Live from BBC Radio's Live Lounge).mp3
06. Jack Garratt - Worry (Live from BBC Radio's Live Lounge).mp3
07. Lower Than Atlantis - On My Mind (Live from BBC Radio's Live Lounge).mp3
07. Usher - Crash (Live from BBC Radio's Live Lounge).mp3
08. Gorgon City - One Dance (Live from BBC Radio's Live Lounge).mp3
08. Grace - You Don't Own Me (Live from BBC Radio's Live Lounge).mp3
09. Dua Lipa - The Hills (Live from BBC Radio's Live Lounge).mp3
09. Mike Posner - In Ibiza (Live from BBC Radio's Live Lounge).mp3
10. DNCE - Hands to Myself (Live from BBC Radio's Live Lounge).mp3
10. Shawn Mendes - Stitches (Live from BBC Radio's Live Lounge).mp3
11. James Bay - Hymn for the Weekend (Live from BBC Radio's Live Lounge).mp3
11. Karen Harding - PILLOWTALK (Live from BBC Radio's Live Lounge).mp3
12. The 1975 - Sorry (Live from BBC Radio's Live Lounge).mp3
12. Tom Odell - The Sound (Live from BBC Radio's Live Lounge).mp3
13. Alessia Cara - Hotline Bling (Live from BBC Radio's Live Lounge).mp3
13. Birdy - Fast Car (Live from BBC Radio's Live Lounge).mp3
14. Jamie Lawson - Wasn't Expecting That (Live from BBC Radio's Live Lounge).mp3
14. M.O - How Will I Know - Perfect Strangers (Live from BBC Radio's Live Lounge).mp3
15. CHVRCHES - This Is What You Came For (Live from BBC Radio's Live Lounge).mp3
15. Kygo - Wildest Dreams (Live from BBC Radio's Live Lounge).mp3
16. Bastille - 7 Days - Final Song (Live from BBC Radio's Live Lounge).mp3
16. Fleur East - Sax (Live from BBC Radio's Live Lounge).mp3
17. Biffy Clyro - (Live from BBC Radio's Live Lounge).mp3
17. Blossoms - In2 (Live from BBC Radio's Live Lounge).mp3
18. Charlie Puth - We Don't Talk Anymore (Live from BBC Radio's Live Lounge).mp3
18. Izzy Bizu - White Tiger (Live from BBC Radio's Live Lounge).mp3
19. Clean Bandit - Work from Home (Live from BBC Radio's Live Lounge).mp3
19. Laura Mvula - New Person, Same Old Mistakes (Live from BBC Radio's Live Lounge).mp3

ファイル名から削除したいです01.。私と同じ問題を抱えている質問がいくつかありましたが、Centos 7のインストールでは何の答えもうまくいきませんでした。

/^\d\d. /g

ここに私が思いついた正規表現があり、ここでテストしたときに一致しました。

http://regexr.com/

しかし、私はそれを達成するためにsedを使用する方法、またはそれを見つけるためにrenameを使用する方法を知りません。本当に驚きました…