我想让所有来自以“ United”开头的国家/地区的驱动程序名称大写。
例如：
从
20 [United Kingdom] Nigel Mansell 188 31
到
20 [United Kingdom] NIGEL MANSELL 188 31
我正在使用的命令：
cat f1.txt | sed -r 's/[^ ]"United"\s+[A-Z]+[a-z]*]\s+[A-Z]+[a-z]*\s+[A-Z]+[a-z]*-?[A-Z]?+[a-z]?*/\U&/g'
完整名单：
Rank Country Driver Races Wins
1 [United Kingdom] Lewis Hamilton 264 94
3 [Spain] Fernando Alonso 311 32
8 [United Kingdom] Jenson Button 306 15
11 [Netherlands] Max Verstappen 116 9
17 [United Kingdom] David Coulthard 246 13
20 [United Kingdom] Nigel Mansell 188 31
26 [United Kingdom] Jackie Stewart 100 …