regular expressions – Page 2

Extracting File Extensions with JavaScript

Extracting file extensions from filenames is a common task in many applications, including web development and … Extracting File Extensions with JavaScriptRead more

file-extension, JavaScript, Node.js, path-module, regular expressions, string slicing, String splitting

Working with Field Separators in AWK

AWK is a powerful text processing tool that excels at pattern scanning and processing. A core … Working with Field Separators in AWKRead more

awk, command-line-tools, data extraction, data manipulation, field-separator, fs, pattern-scanning, regular expressions, shell scripting, text-processing

Trimming Strings in JavaScript

In JavaScript, string trimming is a common operation that involves removing unwanted whitespace characters from the … Trimming Strings in JavaScriptRead more

JavaScript, jQuery, polyfills, regular expressions, string-trimming, trim

Working with Special Characters in Regular Expressions

Regular expressions are a powerful tool for pattern matching and validation in strings. One common task … Working with Special Characters in Regular ExpressionsRead more

ASCII, character-classes, pattern matching, regular expressions, special-characters, Unicode

Matching Everything But a Specific Pattern with Regular Expressions

Regular expressions are powerful tools used for matching patterns in strings. However, there are instances where … Matching Everything But a Specific Pattern with Regular ExpressionsRead more

negated-character-class, negative lookahead, pattern matching, regular expressions, string manipulation

Mastering Regular Expressions: Allowing Spaces Between Words

Introduction Regular expressions (regex) are powerful tools for pattern matching and text processing. They allow you … Mastering Regular Expressions: Allowing Spaces Between WordsRead more

pattern matching, regex, regular expressions, strict-matching, text-processing, whitespace-characters

Regular Expressions and Negative Lookaheads

Understanding Regular Expressions and Negative Lookaheads Regular expressions (regex) are powerful tools for pattern matching within … Regular Expressions and Negative LookaheadsRead more

filtering, lookarounds, negative lookahead, pattern matching, regex, regular expressions, text-processing, zero-width-assertion

String Comparison in SQL: Choosing Between '=' and 'LIKE'

String Comparison in SQL: Choosing Between ‘=’ and ‘LIKE’ SQL provides several ways to compare strings, … String Comparison in SQL: Choosing Between '=' and 'LIKE'Read more

case sensitivity, database, equals, like, pattern matching, performance, query, regular expressions, SQL, string-comparison, wildcard

Extracting Substrings with Regular Expressions

Regular expressions are a powerful tool for matching patterns in strings, and one common task is … Extracting Substrings with Regular ExpressionsRead more

capturing-groups, JavaScript, lookahead, lookbehind, perl, regular expressions, substring extraction

Extracting Numbers from Strings in JavaScript

In JavaScript, it’s common to encounter situations where you need to extract numbers from strings. This … Extracting Numbers from Strings in JavaScriptRead more

JavaScript, number-extraction, regex-patterns, regular expressions, string manipulation