Regular Expression Tester
The best 50 Regular Expression Tester AI tools - Free & Paid
Explore 50 AI for Regular Expression Tester
Regex.ai generates regular expression patterns from highlighted text snippets, offering syntax validation and instant matching feedback. Developers, analysts, QA testers can quickly extract emails, logs, or validate data, with copy‑paste ready expressions for workflow integration.
Freemium
Magic Regex Generator uses AI to create, test, and evaluate regex in a secure sandbox. It supports JavaScript and Python, offers instant flags, live verification, ready‑to‑use code, and pre‑built patterns for emails, URLs, phone numbers, HTML tags, and dates.
Freemium
rgx.tools uses GPT‑3.5‑Turbo to translate natural‑language prompts into readable regular expressions, providing code snippets for JavaScript, Python, Java, C#, Ruby, PHP, Go, Rust, Kotlin, Swift, and SED. It supports testing, comments, and error reduction.
Freemium
The provided text is a description of an AutoRegex tool that converts English text into a regular expression using natural language processing.
Freemium
- $3.49/mo
RegexMy streamlines document processing and data management through features like translation, summarization, and reporting. Its Regex and XPath Playgrounds simplify creating and validating expressions, optimizing workflows for efficient data interaction and handling.
Freemium
Sheetgod converts plain‑English queries into Excel, VBA, and Google Apps Script code, automating complex spreadsheet tasks, generating PDFs, sending emails, and creating custom add‑ons, reducing manual effort and boosting productivity for analysts and finance professionals.
Freemium
- $129/mo
testRigor is an AI‑driven, no‑code test automation platform that turns plain‑English instructions into end‑to‑end tests for web, mobile, desktop, API, and mainframe. It records real‑user interactions, supports cross‑browser validation, CI/CD integration, and self‑healing for low‑maintenance, reliabl
Free
DeveloperPal is an AI web platform that line‑by‑line explains code, translates snippets across languages, interprets errors, and demystifies regex. It also generates Excel formulas, aiding debugging, learning, and project porting for developers of all levels.
Freemium
AI Studio converts natural‑language prompts into working code across C++, Python, JavaScript, SQL, CSS, HTML, and regex. It translates snippets, adds typing hints, estimates complexity, offers git/command lookup, and provides plain‑English explanations, supporting collaboration and quick prototyping
Freemium
CodeRabbit automates pull‑request reviews with AI, detecting bugs instantly and suggesting fixes. It integrates with Git, IDEs, and CLI, delivers diff summaries, diagrams, and a chat interface, all while preserving privacy with encryption and zero‑data retention.
Free trial
Formulas HQ automates Excel, Google Sheets, VBA, and Apps Script formula, regex, and script creation, explains each step, and offers multilingual support with a ChatGPT assistant for troubleshooting. It speeds up data cleaning, analysis, and automation for analysts and developers.
Freemium
- $433/mo
Web‑based grammar checker supporting 27 languages—including Tagalog and English variants—highlights spelling, grammar, punctuation errors and offers corrections. It accepts rich text up to 15,000 characters, detects GPT‑style typos, and includes an AI content detector, usable from any browser.
Free
TestSprite automates full‑stack test generation and execution, converting source code and user flows into CI/CD‑ready suites. It offers a no‑code visual editor, continuous regression checks, and unified batch coverage for API, UI, and data testing, streamlining release reliability.
Freemium
- $69/mo
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
Carbonate is an AI-driven automated end-to-end testing tool that allows you to write tests in plain English, intelligently analyzes HTML for UI changes, and speeds up development and stability of your tests.
Freemium
pgrammer offers AI‑driven coding interview practice with adaptive question selection across 20+ languages, real‑time hints, difficulty tailored to experience, session saving, and GPT‑4‑powered senior engineer analysis for detailed feedback, ideal for FAANG interview prep.
Freemium
- $12/mo
The Algorithm Rank Validator is an AI tool designed for Twitter developers to evaluate tweet rankings and optimize their strategy based on data-driven insights into how tweets are ranked.
Free
AtozAi offers developers real‑time code debugging, language conversion, automated regex generation, detailed code explanations, and text‑to‑insight translations. It helps reduce debugging time, speed cross‑platform development, and improve maintenance for teams.
Freemium
Resume Matcher scans job postings, extracts keywords, compares them to a résumé, highlights gaps, and gives a match score. It visualizes required skills, supports multiple résumé formats, and offers an API for integration.
Free
PseudoEditor is a web‑based pseudocode IDE with syntax highlighting, error detection, auto‑completion, and instant compilation. Cloud‑stored projects are accessible from any device. It supports AQA, OCR, CIE, Edexcel, and IB specifications, helping students and teachers practice algorithms.
Free
CorrectEnglish is an AI writing assistant delivering spelling, grammar, and style corrections on Android, iOS, and browsers. It offers contextual word suggestions, error detection, a plagiarism checker, formatting guides, readability scores, and integrates with extensions and research tools.
Freemium
- $24/mo
Jam is an AI-powered debugging assistant that streamlines the debugging process through automated source code analysis and code fix suggestions while ensuring privacy and security. It integrates with a Chrome extension for bug reporting workflow.
Free
Linguix is a writing tool that offers free grammar check, analyzes team performance over-time, can be accessed through various platforms, and has a clean and modern UI.
Freemium
- $99
AI‑powered interview simulator that delivers structured mock sessions, real‑time feedback, and skill analysis. It evaluates technical and behavioral responses, provides CV scoring and Big Five personality insights, and supports multilingual practice in a privacy‑protected environment.
Freemium
Jobbie is a free ATS resume checker that evaluates layout, content, and grammar. It offers templates and an AI analysis tool to optimize resumes for ATS compatibility, along with manual reviews from recruitment professionals for enhanced effectiveness.
Free
Gramara is an AI grammar checker that flags errors and awkward phrasing in real‑time, offers style and tone suggestions, and translates corrected sentences into multiple languages, helping writers improve clarity and accuracy.
Free
Resumecheck.net uses GPT‑4 to analyze resumes in PDF, Word, Pages, or RTF up to 20 MB. It corrects over 20 common errors, refines grammar, suggests structural changes, auto‑generates sections, cover letters, and matching emails, and exports polished PDFs.
Paid
- $7.9
Upload a PDF or DOCX to receive an instant ATS score and AI‑generated insights on formatting, keyword usage, and system compatibility. The tool rebuilds resumes, offers a job‑match score, and generates tailored cover letters.
Free
Refract is an AI-powered VS Code extension that automates tedious tasks in software development and offers 10 free uses.
Freemium
TLDR is an AI‑powered IDE plugin that converts selected code into concise plain‑English explanations. Supporting multiple languages, it helps teams quickly understand snippets, regex, and SQL, accelerating onboarding and debugging within JetBrains IDEs.
Freemium
Applitools automates visual, functional, and API testing for web, mobile, and PDF interfaces, using AI to compare screenshots, filter dynamic content, and generate autonomous tests via recording and natural‑language authoring, with CI/CD integration and built‑in accessibility compliance.
Free trial
Interpreter is a desktop AI agent that lets users edit and create Word, Excel, PDF, and markdown files, instantly fill PDFs, extract data into Excel, convert receipts or transcripts, and run local or cloud models via OpenAI, Anthropic, Groq, or Ollama.
Subscription
- $20/mo
Autosana is a QA platform that enables mobile development teams to write adaptive, natural-language tests. Its self-healing capabilities reduce maintenance, supporting multiple frameworks and automating test scheduling for efficient quality assurance and early bug detection.
Freemium
RoostGPT auto‑generates unit and API tests for Java, Go, and other languages, using LLMs to uncover edge cases and achieve full coverage in one pass. It also performs static vulnerability scanning and integrates into CI pipelines.
Freemium
ATSFriendly.com scans a resume against a job posting, identifies missing skills and redundant content, and delivers a line‑by‑line report with an ATS‑friendly score. It offers keyword suggestions, editable feedback, and exports a clean PDF.
Subscription
- $7.99/mo
Rephras is an AI tool for composing, paraphrasing, and plagiarism checking. It offers 20 modes, 100+ languages, and a keyword-based content mode.
Freemium
Autify is an AI testing platform that automates end‑to‑end tests for web, mobile, and desktop apps. Its Aximo, Nexus, and Genesis modules generate, execute, and maintain tests, reducing manual scripting and easing maintenance for QA and dev teams.
Freemium
Teste.ai automates test case, test plan, and step‑by‑step creation from requirements using OpenAI models. It generates scenarios, boundary values, load tests, SQL data, and multi‑language code (Gherkin, Cucumber, Java, Python) for CI/CD pipelines.
Paid
Upload a resume and paste a job description to instantly score fit. The tool spotlights missing keywords, allows in‑platform edits, and generates tailored cover letters and summaries. A Kanban board tracks applications, and a Chrome extension saves listings—no sign‑up required.
Freemium
EssayGrad is an AI-powered tool that grades essays and provides specific feedback based on rubrics, identifies areas for improvement, summarizes the essay, detects AI-written essays, and reports grammar, spelling, and punctuation errors.
Freemium
Ellipsis.dev automatically reviews every GitHub commit and pull request, detecting bugs, anti‑patterns, and style issues. It generates summaries, async fixes, and test‑ready changes, and offers weekly change logs in a SOC 2‑compliant VPC environment.
Subscription
Examify AI creates personalized past-paper style questions and mark schemes for exam preparation. It features instant grading, expert feedback, and tailored revision guides, helping users identify strengths and weaknesses while building confidence for assessments.
Freemium
Grammar Checker is a free AI tool that corrects grammar, spelling, and punctuation errors. It also provides suggestions to improve your writing style and polish your text.
Free
PhotoExamen uses OCR and AI to analyze exam and assignment images, offering step‑by‑step solutions for multiple choice, short answer, math, and language tasks. It auto‑generates concept maps, quizzes, transcribes audio, and summarizes texts for study support.
Paid
AIGrammarChecker is a free AI-powered tool that instantly corrects grammar, spelling, and punctuation errors. It analyzes text structure and context to improve writing clarity and supports multiple languages via text input or file uploads.
Free
GradeLab automates the grading of handwritten exams using OCR technology, providing accurate digital assessments. It offers real-time student progress tracking, personalized feedback, and customizable rubrics, enhancing efficiency and instructional focus for educators across various subjects.
Free
Web‑based AI bulk renamer that processes files locally, interpreting natural‑language instructions for batch renaming, numbering, or pattern rules. Supports Windows, macOS, and browsers via the File System Access API, offering preview, instant execution, and photo tagging by date or event.
Free
Mailscribe verifies email addresses, tests SMTP connections, and suggests subject lines. It runs client‑side without sign‑ups, keeping data private. Useful for marketers, copywriters, and technical teams to clean lists and boost open rates.
Free
Airparser extracts structured data from emails, PDFs, images, and scanned documents in 60+ languages using AI and OCR. Users set up schemas quickly and deploy via API, Zapier, or native integrations, automating workflows and cutting manual data entry.
Subscription
- $2.75/mo