为什么 str_count 不能使用多个字符串？

Question

我有一个包含如下文本的字符串：

Text <- c("How are you","What is your name","Hi my name is","You ate your cake")

我想要一个输出来计算单词 "you" 或 "your" 出现的次数

Text                   NumYou
"How are you"          1
"What is your name"    1
"Hi my name is"        0
"You ate your cake"    2

我尝试使用 str_count 函数，但缺少 "you" 和 "your"

NumYou = str_count(text,c("you","your"))

为什么 str_count 不能正常工作？

Answer 1

将 pattern 作为一个字符串传递。

stringr::str_count(tolower(Text),'you|your')
#[1] 1 1 0 2

Why isn't str_count working with multiple strings?