The Best regex101 Alternatives in 2026

Jupyter Notebook combines live code, equations, explanatory text, visualizations, and interactive computing in a web platform.

Regex Vis provides a visualizer and editor for exploring regular expressions.

A python library for doing approximate and phonetic matching of strings.

Statsmodels provides Python tools for inferential statistics, hypothesis testing, and regression.

Handle tasks such as JSON formatting, text comparison, and regular expression testing with DevToys, a desktop toolkit.

Mutahunter provides open-source mutation testing for evaluating software tests.

Voice Lab provides a framework for testing and evaluating voice agents.

Search large sets of text with sift, a fast command-line alternative to grep that provides regular expression matching.

Search directories recursively for regular expression matches with ripgrep, while respecting gitignore rules.

Search more than 100 technology references in DevDocs, an offline documentation browser for developers.

The igraph site offers network analysis software and describes igraph as a network analysis package.

This utility converts cURL commands into code for languages including Python and JavaScript.

Stan provides software for Bayesian data analysis, including tools for sophisticated statistical modeling.

Support vector classification and regression are available in LIBSVM, an integrated software tool.

EditorConfig helps maintain consistent coding styles across different text editors through a shared file format.

The pandas project provides open-source Python tools for analyzing and manipulating data.

SmartScripter generates custom scripts in Excel VBA, Google Apps Script, Bash, JavaScript, PowerShell, and Python.

PyDy provides Python tools for modeling the dynamics of multibody mechanical systems.

Vaex provides out-of-core DataFrames for Python to explore and visualize large tabular datasets, with support for machine learning workflows.

Build native interfaces with Slint, a declarative GUI toolkit for Rust, C++, JavaScript, and Python.

LangChain’s reference docs cover packages for LangChain, LangGraph, agents, LangSmith, and integrations.

Beautiful Soup provides documentation and downloads for a Python library used to parse HTML.

spaCy provides Python natural language processing tools for entity recognition, tagging, parsing, and word vectors.

Grit provides declarative code search and transformation through its GritQL language.