Removing Rows with Specific Patterns Using gsub in R

Accessing the Overall Match with `re.sub`

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

Splitting Strings Before Next to Last Character in R: A Comparative Analysis

Extracting Dates from File Paths Using Regular Expressions in R

Checking for Empty Strings in R: A Comprehensive Guide to Trimming Whitespace, Using grepl(), and More

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

Extracting Specific Information from Strings Using Regular Expressions and String Manipulation Techniques

Splitting Strings with Non-Greedy Regex via strsplit in R

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