文本字符串创建新的类别我有以下行一列: Telephone line rental|Fixed broadband|Mobile phone|NET: No home phone calls|NET: Internet access
Telephone line rental|Fixed broadband|Mobile phone|NET: No home phone calls|NET: I
这是任务: 编写打印出盒装句子如下功能: s<-"This is a sentence with different word lengths"
盒(一个或多个)打印下面的” XXXXXXXXXXXXX
X this X
X is X
X a X
X sentence X
X with X
X different X
X word X
X lengths X
XXXXX
我有一个名为cars串如下: cars
[1] "Only one car(52;model-14557) had a good engine(workable condition), others engine were damaged beyond repair"
[2] "Other car(21, model-155) looked in good condition but car
I'm searching text_ which is: 本周(3月25日-3月31日),国内油厂开机率继续下降,全国各地油厂大豆压榨总量1456000吨(出粕1157520吨,出油262080吨),较上周的...[continued] crush <- str_extract(string = text_, pattern = perl("(?<=量).*(?=吨(出粕)"))
me