r - 匹配和替换字符向量中的单词

Question

我有一个带有文本行的向量，如下所示:

text<-c("Seat 1: 7e7389e3 ($2 in chips)","Seat 3: 6786517b ($1.67 in chips)","Seat 4: 878b0b52 ($2.16 in chips)","Seat 5: a822375 ($2.37 in chips)","Seat 6: 7a6252e6 ($2.51 in chips)")

我必须用其他词替换一些词，我在这样的数据框中有:

df<-data.frame(codigo=c("7e7389e3","6786517b","878b0b52","a822375","7a6252e6"),
name=c("lucas","alan","ivan","lucio","donald"))

所以我想 1) 抓取“文本”的第一行 2) 检查 df 中是否有要替换的单词 3) 替换它 4) 对下一个“文本”行执行相同的操作等等。为了有这样的东西:

[1] "Seat 1: lucas ($2 in chips)"
[2] "Seat 3: alan ($1.67 in chips)"
[3] "Seat 4: ivan ($2.16 in chips)"
[4] "Seat 5: lucio ($2.37 in chips)"
[5] "Seat 6: donald ($2.51 in chips)"

有什么公式可以做到这一点？

Answer 1

我们可以使用 str_replace_all 轻松完成此操作，它可以采用命名向量

library(stringr)
library(tibble)
str_replace_all(text, deframe(df))
#[1] "Seat 1: lucas ($2 in chips)"  
#[2] "Seat 3: alan ($1.67 in chips)" 
#[3]  "Seat 4: ivan ($2.16 in chips)"  
#[4] "Seat 5: lucio ($2.37 in chips)" 
#[5] "Seat 6: donald ($2.51 in chips)"