Matching Partial Text in a List and Creating a New Column Using Regular Expressions in pandas

Finding Matches Between Columns and Within Rows in R: A Merge and Dplyr Approach

Merger Data Frames with Specific String Match in Columns Using R's merge Function

Matching Values from Multiple Columns in 1 Data Frame to Key in Second Data Frame and Creating New Columns Using R's Tidyverse Package

How to Merge Two Data Frames with a Common Variable in R Using dplyr and merge Functions