• Python Programming

    Mastering Regex Wildcards with Python’s re.sub()

    Regular expressions (regex or regexp) are powerful tools for pattern matching within strings. Python’s re module offers robust functionality for regex operations, with wildcards playing a crucial role. This article explores how to effectively use wildcards with the re.sub() function for various string manipulation tasks. Table of Contents Basic Regex…

  • Bash Scripting

    Mastering Pattern Matching in Bash

    Table of Contents Regular Expressions with the =~ Operator Wildcard Matching with the * Operator Extracting Subpatterns Regular Expressions with the =~ Operator Bash’s =~ operator enables powerful regular expression matching. Regular expressions offer far greater flexibility than simple wildcard matching, allowing you to define complex patterns for string manipulation…