regexon

Thispagedescribesregularexpressionsearchcapabilitiesforself-managed(non-Atlas)deployments.FordatahostedonMongoDBAtlas,MongoDBoffersan ...,ARegEx,orRegularExpression,isasequenceofcharactersthatformsasearchpattern.RegExcanbeusedtocheckifastringcontainsthespecified ...,Aregularexpression(orRE)specifiesasetofstringsthatmatchesit;thefunctionsinthismoduleletyoucheckifaparticularstringmatchesagiven ....

$regex — MongoDB Manual

This page describes regular expression search capabilities for self-managed (non-Atlas) deployments. For data hosted on MongoDB Atlas, MongoDB offers an ...

Python RegEx

A RegEx, or Regular Expression, is a sequence of characters that forms a search pattern. RegEx can be used to check if a string contains the specified ...

re — Regular expression operations — Python 3.12.1 ...

A regular expression (or RE) specifies a set of strings that matches it; the functions in this module let you check if a particular string matches a given ...

Regex Tester and Debugger Online

Regular Expression Tester with highlighting for Javascript and PCRE. Quickly test and debug your regex.

regex101

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

RegExp.prototype.test() - JavaScript

2023年9月25日 — The test() method of RegExp instances executes a search with this regular expression for a match between a regular expression and a ...

RegExr

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.

Regular Expression (Regex) Tutorial

Regular Expression, or regex or regexp in short, is extremely and amazingly powerful in searching and manipulating text strings, particularly in processing ...

Regular Expression HOWTO — Python 3.12.1 documentation

Compiling Regular Expressions¶. Regular expressions are compiled into pattern objects, which have methods for various operations such as searching for pattern ...

Regular expressions - JavaScript

2023年11月29日 — Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects.