Manage Text ModelsBasic
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Regex Create precise regular expressions from natural language
Tip:
Describe what you want to match in plain English. Include examples of valid and invalid inputs for more accurate patterns.
AI Model
Gemini 2.5 Flash
Gemini 2.5 Flash Lite
Gemini 2.5 Pro
Claude 4.5 Haiku
GPT 5
Claude 4.5 Sonnet
Gemini 3 Flash Preview
Gemini 3 Pro Preview
Grok 4
Regex Flavor
JavaScript
Python
PCRE
Java
.NET
POSIX
Go
Rust
Output Type
Privacy Mode
Output Language
Auto (Input Language)
English (United States)
Spanish (Spain)
French (France)
German (Germany)
Italian (Italy)
Portuguese (Brazil)
Arabic (Generic)
Bengali (India)
Bulgarian (Bulgaria)
Croatian (Croatia)
Czech (Czech Republic)
Danish (Denmark)
Dutch (Belgium)
Dutch (Netherlands)
Estonian (Estonia)
Finnish (Finland)
Greek (Greece)
Gujarati (India)
Hebrew (Israel)
Hindi (India)
Hungarian (Hungary)
Indonesian (Indonesia)
Japanese (Japan)
Kannada (India)
Korean (South Korea)
Latvian (Latvia)
Lithuanian (Lithuania)
Malayalam (India)
Mandarin Chinese (China)
Marathi (India)
Norwegian Bokmål (Norway)
Polish (Poland)
Romanian (Romania)
Russian (Russia)
Serbian (Cyrillic)
Slovak (Slovakia)
Slovenian (Slovenia)
Swahili (Kenya)
Swedish (Sweden)
Tamil (India)
Telugu (India)
Thai (Thailand)
Turkish (Turkey)
Ukrainian (Ukraine)
Urdu (India)
Vietnamese (Vietnam)
FREE AI Regex Generator
Generate accurate regular expressions from plain English descriptions. Supports multiple regex flavors including JavaScript, Python, PCRE, Java, .NET, and more with explanations and test cases.
Perfect For
Developers who need to validate input formats, data engineers extracting patterns from text, programmers working with different regex engines, anyone who struggles with regex syntax, and teams needing documented patterns with explanations.
Key Features
Support for multiple regex flavors (JavaScript, Python, PCRE, Java, .NET, POSIX, Go, Rust). Pattern-only or full code snippet output. Detailed explanations of pattern components. Example test cases showing matches. Interactive pattern tester. Copy-to-clipboard for easy use.
