Referencing Variables Outside a do Loop in R: A Statistical Analysis Approach

Finding Variables for pandas.eval() using Regex or the Same Expression Parsers as pandas

Extracting Sentences from Emails Containing HTML Tags Using Regular Expressions

Parsing Strings with Multiple Brackets Using dplyr and tidyr for R.

Extracting String Before Dash in R: A Practical Guide

Splitting a String Between Two Characters into Subgroups in R