OpenAPITools / OpenAPITools/openapi-generator
[REQ] [JAVA] Add the option to add flags to pattern validation
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- Dominant language
- Java
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Description
In our project we need to validate a request parameter using a regex but the matching needs to be case insensitive.
The most straightforward solution would be the possibility to use a flag for the regex. The generated Java constraint for pattern validation is @Pattern annotation which does support flags, so it doesn't sound impossible.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the Java generator logic or templates that emit the @Pattern constraint for request-parameter validation. Trace how pattern values are represented, then determine how regex flags can be exposed and rendered. Done means a Java-generated constraint can carry a case-insensitive flag, with the generated output covered by the relevant generator tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100