Your provider account stays yours
Trenith sends requests only when you run them and does not include bundled provider credits.
AI Studio · Uses your API key
AI Regular Expression Builder
Generate a regular expression with test cases, edge cases and an explanation for your selected programming language.
Run Regex Builder with your provider
Trenith supplies the interface and request workflow. You supply credentials for a provider you already use. Keys are session-only unless you explicitly encrypt them for this device.
01
Connect a language model
02
Describe matches, exclusions and runtime
03
Test the expression against supplied examples
HOW IT WORKS
Three clear steps
No hidden queue, upgrade screen or misleading result state.
- 01
Connect a language model
- 02
Describe matches, exclusions and runtime
- 03
Test the expression against supplied examples
No Trenith usage price
Device tools and the Trenith interface are free. External providers may separately charge the account associated with your own API key.
FAQ
Common questions
Is AI Regular Expression Builder free to use?
Yes. AI Regular Expression Builder is free from Trenith with no account, subscription or artificial usage limit. You connect your own provider API key, and that provider bills your account directly for any model usage.
Where does my API key go?
Keys stay in this browser's session storage and are sent only to the provider you selected over a fixed, allowlisted route. They never appear in URLs, logs or page source, and an optional passphrase-encrypted device vault is available.
How do I use AI Regular Expression Builder?
1. Connect a language model 2. Describe matches, exclusions and runtime 3. Test the expression against supplied examples No sign-up is required.
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