Adding Columns Based on String Contains Operations in Pandas DataFrames

Extracting String Before Dash in R: A Practical Guide

Using Regular Expressions with data.table: Creating a New Column from Titles

Removing Selective Values from Strings Using Regular Expressions in Pandas

Extracting Differing Characters from Two Strings Using R's stringi Package

Understanding Fixed Width Strings Formats and Their Splitting into Separate Columns in R Using read.fwf

Resolving Ambiguity in Pandas DataFrame Operations with 'or' Statement

Understanding the Mystery of the For Loop Failing to Fill a Matrix with Dashes and Letters Separated by Dashes

Working with DataFrames in Pandas: A Step-by-Step Guide to Splitting Columns

Understanding String Concatenation in Python: Best Practices and Examples