Creating a New Column with Substring from Another Column in Pandas Using Regular Expressions

Extracting Characters from String Vectors to Data Frame Rows: A Step-by-Step Solution in R

Finding First Occurrence of Substring with Regex in Pandas DataFrame Using Efficient Alternatives

Converting Monthly Data from One Type to Another: A Comparative Analysis of zoo::as.yearmon() and Base R Approaches

Understanding String Extraction in R using `stringr`

Retrieving Values from Two Tables Using SQL: A Comparative Analysis of Join-Based and String Manipulation Approaches

Extracting First Names from a Comma-Separated Name Field in SQL Databases Using Different Approaches