regular expressions – Page 14 – CodeRavo

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

internationalization, JavaScript, libphonenumber, phone-number-validation, Python, regex, regular expressions

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

containment, find, in operator, performance, Python, regular expressions, string, string manipulation, substring, whole-word

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

encoding, fart, file-manipulation, find-and-replace, PowerShell, regular expressions, string-substitution, text-replacement, vbscript, windows-command-line

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

Python, re-module, re-sub, regular expressions, string-replacement

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

Python, re-findall, re-split, regular expressions, str-split, String splitting, whitespace

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

and-operator, pattern matching, regex-syntax, regular expressions, text-manipulation

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

c#, number-validation, regex-patterns, regular expressions, string matching

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

case-insensitive, find, grep, line numbers, recursive search, regular expressions, unix, xargs

Mastering Whitespace Trimming in Python Strings

Introduction Whitespace management is a common task when processing strings in Python. Whether you’re cleaning data … Mastering Whitespace Trimming in Python StringsRead more

file-processing, lstrip, multi-line-strings, Python, regular expressions, replace, rstrip, strip, whitespace-trimming

Using Variables with Regular Expressions in JavaScript

Introduction Regular expressions (regex) are a powerful tool for pattern matching and text manipulation. In JavaScript, … Using Variables with Regular Expressions in JavaScriptRead more

dynamic-patterns, escape-characters, JavaScript, regular expressions, string-replacement, word-boundaries