Using Regular Expressions (Regex) to Extract Values from Columns Without Replacing Original Data in R with dplyr Package

Understanding String Manipulation in Oracle SQL: Using Regex to Skip Specific Parts of the String

Extracting Articles from RTF or TXT Files Using Regular Expressions in R

Mastering Regular Expression Matching in PostgreSQL: Effective Solutions for Complex Searches

Removing Characters After Last Digit Using Regular Expressions in R

Creating a Categorical Index with Base R Functions and Regular Expressions for Specific Ranges

Selecting Multiple Columns in a Data Frame Using Partial Column Names with R's grep Function

Understanding Advanced Regex Patterns for String Matching and Validation

Using Elements of Vectors as Patterns in Grep Command

Simplifying Complex Regex Patterns in R Using Loops and Concatenation