Regular expressions (regex) are a powerful tool for pattern matching in strings. One common requirement is … Matching Anything with Regular ExpressionsRead more
regular expressions
Extracting URL Paths without Filename Extensions
When working with URLs, it’s often necessary to extract specific parts of the path. One common … Extracting URL Paths without Filename ExtensionsRead more
Mastering Phone Number Validation with Regex and Libraries
Introduction Phone number validation is a crucial task in many applications, especially when dealing with user … Mastering Phone Number Validation with Regex and LibrariesRead more
String Containment in Python
Checking if a Substring Exists Within a String in Python A common programming task is determining … String Containment in PythonRead more
Text Replacement in Windows Command-Line
The Windows command-line environment offers several ways to find and replace text within files. While traditionally … Text Replacement in Windows Command-LineRead more
Working with Regular Expressions in Python Strings
Regular expressions are a powerful tool for matching patterns in strings. In Python, you can use … Working with Regular Expressions in Python StringsRead more
Splitting Strings on Whitespace in Python
In Python, strings can be split into substrings based on various criteria, including whitespace. This is … Splitting Strings on Whitespace in PythonRead more
Using AND Operators in Regular Expressions
Regular expressions are a powerful tool for pattern matching and text manipulation. One common requirement when … Using AND Operators in Regular ExpressionsRead more
Validating Numbers with Regular Expressions
Regular expressions are a powerful tool for validating input strings, including numbers. In this tutorial, we … Validating Numbers with Regular ExpressionsRead more
Mastering `grep` for Recursive Searches Within Directories
When working with a multitude of files and directories on Unix-like operating systems, finding specific text … Mastering `grep` for Recursive Searches Within DirectoriesRead more