Understanding Umlaute Replacement in LaTeX for Accurate German Text Representation.

Replacing Substrings with Negations Only When Distance Between Words is Within Threshold Using R's `stringr` Package

Optimizing String Replacement in R Data Frames Using mgsub Function

Removing Punctuation and Filtering Small Words in Text Data with R: A Step-by-Step Guide for Text Mining

Using Regex to Collapse Spaces in Strings with gsub Function in R for Data Cleaning and Preprocessing.