Checking for Patterns in Text with R

Steven Sanderson looks for a sub-string:

When working with text data in R, one common task is to check if a character or substring is present within a larger string. R offers multiple ways to accomplish this, ranging from base R functions to packages like stringr and stringi. In this post, we’ll explore how to use grepl() from base R, str_detect() from stringr, and stri_detect_fixed() from stringi to achieve this.

Click through for three separate ways of doing this.