在r中更改字符串中单词的位置

Question

我有一个字符串向量，看起来像：

> string_vec
 [1] "XXX"                     "Snakes On A Plane"       "Mask of the Ninja"       "Ruslan"                 
 [5] "Kill Switch"             "Buddy Holly Story, The"  "Believers, The"          "Closet, The"            
 [9] "Eyes of Tammy Faye, The" "Gymnast, The"            "Hunger, The" 

有些名字最后包含“, The”。我想删除逗号和空格并将“The”移到所有其他文本之前。

例如：“Buddy Holly Story, The”变成“The Buddy Holly Story”。

用模式隔离记录很容易：

string_vec[grepl("[Aa-zZ]+, The", string_vec) == TRUE]

现在如何调整位置？

数据

string_vec <- c("XXX", "Snakes On A Plane", "Mask of the Ninja", 
"Ruslan", 
"Kill Switch", "Buddy Holly Story, The", "Believers, The", 
"Closet, The", 
"Eyes of Tammy Faye, The", "Gymnast, The", "Hunger, The")

Answer 1

你可以试试

sub('^(.*), The', 'The \\1', string_vec)
#[1] "XXX"                    "Snakes On A Plane"      "Mask of the Ninja"     
#[4] "Ruslan"                 "Kill Switch"            "The Buddy Holly Story" 
#[7] "The Believers"          "The Closet"             "The Eyes of Tammy Faye"
#[10] "The Gymnast"            "The Hunger"