[英]How to remove certain special character occurrences from some elements in a vector?
I have a vector filled with some numbers that I read from a .csv file, but some of those numbers are preceded by a * ,that is, 我有一个向量,里面充满了一些我从.csv文件读取的数字,但是其中一些数字前面带有*,即,
12 34 *89 *45 34
I want to remove the * from these elements while retaining their types, that is 我想从这些元素中删除*并保留其类型,即
12 34 89 45 34
How do I do this? 我该怎么做呢?
Try: 尝试:
as.integer(stringi::stri_extract_all(x, regex = "[[:digit:]]+", simplify = TRUE))
Which gives: 这使:
#[1] 12 34 89 45 34
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.