Using gsub() to Replace Numbers with a Space, Except After Certain Substrings

Optimizing String Replacement in R Data Frames Using mgsub Function

Understanding Regular Expressions in R: Using Negative Lookahead to Exclude Values from Matching

Shortening Data Frame Values to First Character in R: A Method-Driven Approach Using strtrim()

Splitting Strings in R Based on Punctuation: A Comprehensive Guide