如何把字幕文件中的半角标点符号全部替换为全角标点符号

amwdi

抛砖引玉
powershell "[regex]::replace((gc subtitle.srt)-join\"`n\",'(?s)(?<=\d+\n\d\d:\d\d:\d\d,\d{3}\s-->\s\d\d:\d\d:\d\d,\d{3}\n)(.+?)(?=\n\d+\n\d\d:\d\d:\d\d,\d{3}\s-->\s\d\d:\d\d:\d\d,\d{3}\n|$)',{[regex]::replace($args[0].groups[1].value,'[\x21-\x2f\x3a-\x40]',{[char]([int][char]$args[0].value+0xfee0)})})"