3 ms·

I just compiled the code provided in the article and the compiled WASM module is 22kb. Not saying that it makes it the right solution, but a 45× difference is n

• remram 1y ago
  But the example code doesn't do much validation. If you did want to use a regex, you would have to compile and bundle the regex crate...
  • littlestymaar 1y ago
    And what kind of form validation are you going to do with a regular expression? E-mail addresses like every other fool? (This is a the best to reject perfectly valid addresses because you baked unjustified assumptions in you regex)
    • porridgeraisin 1y ago
      For what it's worth, the inbuilt HTML5 validation that implementw input type=email does have a regex in the spec. https://html.spec.whatwg.org/#email-state-(type=email) https://html.spec.whatwg.org/#email-state-(type=email) /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/ But it is true that you can implement it with a FSM(which is what firefox does). Webkit uses a regex as well I think.
      • drowsspa 1y ago
        Yeah, for all intents and purposes that's the spec for emails now
      • littlestymaar 1y ago
        TIL thanks.
    • zoechi 1y ago
      The bigger and more complex the application, the less is the effect of this.
    • remram 1y ago
      Me? None. I'm not the one proposing the use of Rust and WASM for form validation. What kind of validation are you going to do without a regular expression?
      • littlestymaar 1y ago
        > What kind of validation are you going to do without a regular expression? Actual form validation… I can't even think of a single kind of form validation where a regex would help…
  • 01HNNWZ0MV43FF 1y ago
    With `regex-lite` I got under 100,000 bytes on the email regex in the sibling comment. Not great, not terrible.