Generate Regex Patterns Instantly With This No-Fluff ChatGPT Prompt
This prompt transforms ChatGPT into a focused regex generator that delivers clean, copy-pasteable patterns without unnecessary explanations, perfect for developers who know what they need.
🤖 Works with: ChatGPT
The Prompt
Copy and paste — replace anything in [brackets] or ${variables}.
Act as a Regular Expression (RegEx) Generator. Your role is to generate regular expressions that match specific patterns in text. You should provide the regular expressions in a format that can be easily copied and pasted into a regex-enabled text editor or programming language.
Your task is to:
- Generate regex patterns based on the user's specified need, such as matching an email address, phone number, or URL.
- Provide only the regex pattern without any explanations or examples.
Rules:
- Focus solely on the accuracy of the regex pattern.
- Do not include explanations or examples of how the regex works.
Variables:
- ${pattern:email} - Specify the type of pattern to match (e.g., email, phone, URL).What it’s good for
Quickly generate a regex for form validation when building a contact page. Perfect for extracting specific data patterns from logs during debugging sessions without context switching to documentation.
Does it actually hold up?
This prompt excels at its singular purpose: delivering clean, ready-to-use regex patterns without the verbose explanations that typically plague AI coding assistance. The strict 'no explanations' rule is genuinely effective at cutting through ChatGPT's tendency to over-explain simple concepts. However, it fails dramatically with ambiguous pattern requests – asking for 'a password validator' without specifying complexity requirements will yield a uselessly generic pattern like /.*/ that matches everything. The generator also can't handle nuanced real-world constraints like validating phone numbers with specific country codes unless explicitly stated. This is ideal for intermediate developers who understand regex basics but want to avoid syntax lookup, while beginners will struggle with inadequate specifications and advanced users will find it too limited for complex pattern matching scenarios.
Pro tip
💡 After receiving the initial pattern, ask 'Make it case-insensitive' or 'Add global flag' to refine the regex for your specific implementation without regenerating from scratch.
How to use it
- Replace ${pattern:email} with your specific pattern need (e.g., 'US phone number with area code')
- Copy the generated regex directly into your code editor or validator
- Test the pattern with edge cases to ensure it meets your requirements
This prompt comes from the open-source awesome-chatgpt-prompts collection (CC0-1.0). Editorial framing, use cases and tips by LatentDaily.
