Understanding String Extraction in R: A Deep Dive into `stringr` and Beyond

Extracting Last N Words from Character Columns in R Using Regular Expressions and String Manipulation

Moving Patterns with stringr: How to Append Patterns to Strings in R

Understanding the Issue with str_extract from stringr on Scraped Strings and How to Avoid Encoding-Related Errors When Working With Strings Extracted From Web Pages Using rvest

Inserting Bold Text with knitr and LaTeX for Indexed Terms

Classification Based on List of Words in R Using Tidyverse Packages

Using `mutate()` and `across()` for Specific Rows in Dplyr: A Flexible Approach to Data Manipulation