[request] string().replace(pattern)

[AdriVanHoudt]

This works like you would expect.

 Joi.string().replace(/\*/g, '%')

Would replace all * with %.

This use case is for converting default wildcards to wildcards from sql but can be used for many things.

[DavidTPate]

I wonder if this would be approached better by adding functionality with something like:

Joi.string().transform(function(value) {
  return value.replace(/\*/g, '%');
});

I could see Any.transform([function]) being pretty useful and handling lots of cases.

[AdriVanHoudt]

I agree, making it more general makes it more usable.
Although a basic replace function is quicker/easier than implementing the function every time. (insert link to custom Joi rules/types here :D)
Also maybe call it transform like date? (not sure about this)

[DavidTPate]

Yeah, I could definitely see that. replace on String might just be a predefined use of transform.

[AdriVanHoudt]

Yeah internally it can call a general transform function
Also referencing #577 for cutom joi rules

[pfumagalli]

I have a patch for replace(pattern, replacement) in #649.

[satazor]

+1

[zebateira]

👍

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