Filtering a Data Frame with Partial Matches of String Variable in R Using Regular Expressions

Renaming Columns in R Using str_replace_all for More Than Two String Types

Understanding Regular Expressions in R for Advanced Text Analysis and Manipulation

Using regex to Group Similar Expressions in a Dataset Without Prior Knowledge of Those Groups Using R's stringr and qdap Packages

Removing First 4 Words after a Certain String Pattern in R

Understanding Vectorized Pattern Matching with String Vectors in R for Efficient Data Analysis

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