Extract Values between Parentheses and Before a Percentage Sign Using R Sub Function

Optimizing Regular Expressions in R: A Performance-Boosting Strategy for Efficient Data Processing

Using Regular Expressions to Extract Values After the Equal Symbol in R

Extracting Parts of a Row Name to Make New Columns in a Data Frame in R

Substituting List of Strings with Second List, According to First Two Numeric Digits in Each

Removing Specific Characters from Strings in R Using Regex

Removing Characters After Last Digit Using Regular Expressions in R

Street Abbreviation Conversion using R: Mastering Regular Expressions and String Manipulation Functions