regex – Page 3 – CodeRavo

Regular Expressions for Excluding Specific Characters

Introduction to Regular Expressions Regular expressions (regex) are a powerful tool for pattern matching and text … Regular Expressions for Excluding Specific CharactersRead more

.NET, c#, character-classes, excluding-characters, pattern matching, regex, regular expressions

Filtering Rows in Pandas DataFrames Based on String Patterns

Filtering rows in a Pandas DataFrame based on string patterns is a common task, especially when … Filtering Rows in Pandas DataFrames Based on String PatternsRead more

DataFrame, filtering, Pandas, regex, regular-expression, str-contains, string-pattern

Validating Strings with Letters, Numbers, and Special Characters using Regular Expressions

Regular expressions (regex) are a powerful tool for validating strings in programming. In this tutorial, we … Validating Strings with Letters, Numbers, and Special Characters using Regular ExpressionsRead more

anchors, character-classes, PHP, preg-match, regex, regular expressions, repetition-operators, string validation

Killing Processes Using Bash and Regex

Killing processes is a common task when working with Linux systems. Sometimes, you need to terminate … Killing Processes Using Bash and RegexRead more

Bash, grep, kill, pgrep, pkill, process-management, ps, regex

Counting Substring Occurrences in Strings

Counting Substring Occurrences in Strings A common task in string manipulation is counting how many times … Counting Substring Occurrences in StringsRead more

count, indexOf, JavaScript, occurrences, regex, regular-expression, split, string, string manipulation, substring

Constraining String Length with Regular Expressions

Regular expressions (regex) are powerful tools for pattern matching within strings. A common use case is … Constraining String Length with Regular ExpressionsRead more

character-class, length-constraint, pattern matching, quantifier, regex, regular-expression, string validation

Handling Newlines in Regular Expressions

Understanding Newlines and Line Endings When working with text, particularly when using regular expressions, it’s crucial … Handling Newlines in Regular ExpressionsRead more

line-endings, multiline, n, newline, R, r-n, regex, regex-engine, regular expressions, text-processing

How to Strip Non-Numeric Characters from a String in JavaScript

Introduction In many applications, there may be scenarios where you need to extract only numeric characters … How to Strip Non-Numeric Characters from a String in JavaScriptRead more

JavaScript, non-numeric-characters, regex, regular expressions, replace method, string manipulation, string-cleaning

Extracting Numbers from Strings

In computer science, strings are a fundamental data type used to represent text. Often, we need … Extracting Numbers from StringsRead more

char-isdigit, LINQ, number-extraction, regex, regular expressions, string manipulation

Mastering Multiline Find and Replace in Visual Studio Code

Introduction When working with text files, such as HTML or code, you often need to perform … Mastering Multiline Find and Replace in Visual Studio CodeRead more

find-and-replace, multiline-editing, regex, text-manipulation, visual-studio-code