RegExp.prototype.test () - JavaScript | MDN - MDN Web Docs
Jul 10, 2025 · The test() method of RegExp instances executes a search with this regular expression for a match between a regular expression and a specified string. Returns true if there is a match; false …
JavaScript RegExp test () Method - W3Schools
Description The test () method tests for a match in a string. If it finds a match, it returns true, otherwise it returns false.
Regex Tester - Complete Tools
3 days ago · Regex Tester is a free online tool for testing regular expressions. Test regex patterns with flags, see highlighted matches, and view capture groups in real-time.
RegExr: Learn, Build, & Test RegEx
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Regular expressions - JavaScript | MDN
Jul 21, 2025 · Regular expressions Previous Next Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. These …
JavaScript String Search - W3Schools
JavaScript String search () The search() method searches a string for a string (or a regular expression) and returns the position of the match:
String.prototype.search () - JavaScript | MDN
Jul 10, 2025 · The search() method of String values executes a search for a match between a regular expression and this string, returning the index of the first match in the string.
ansible.builtin.search test – Does string match a regular expression
5 days ago · Note This test plugin is part of ansible-core and included in all Ansible installations. In most cases, you can use the short plugin name search. However, we recommend you use the Fully …
How to Check if a String Contains a Substring in Bash
5 days ago · A common task in Bash scripts is checking whether a string contains a specific substring—for example, validating user input, parsing log files for errors, or filtering command output. …
Search PowerShell Arrays to Check If It Contains a Value
Sep 17, 2025 · Learn how to search arrays and check if a PowerShell array contains values, strings, or elements, including case-insensitive and partial matches.