Looking for guidance on implementing Vuetify validation to enforce rules (using :rules tag on a v-text-field) in the format of AB-12345678 (starting with two letters followed by a hyphen and then an 8-digit number). I'm having difficulty achieving this without the use of CharAt, but I believe there must be a more streamlined approach available.
validate input using regular expressions
regular expression pattern: [A-B]{2}-[0-9]{8}
test the following code snippet
<template>
<v-text-field
:rules="customRule"
/>
</template>
<script>
export default {
computed: {
customRule() {
return [
v => /[A-B]{2}\-[0-9]{8}/.test(v) || "rule is not valid"
],
}
}
}
</script>
If you want to validate a specific format, using regex is the way to go.
<v-text-field
:rules="[v => /^[A-Z]{2}-\d{8}$/gm.test(v)]"
/>
The regex pattern provided does the following:
^ matches the start of a line[A-Z]{2} matches exactly 2 uppercase letters
[A-Za-z]{2} if upper/lowercase doesn't matter- matches a dash\d{8} matches 8 digits$ matches the end of a linegm at the end are flags for the regexConsider utilizing Regular Expressions. For instance, a pattern like ^[A-Z]{2}-[0-9]{8}$ should do the job.
If you want to implement Regex in JavaScript, make sure to check out the Mozilla developers documentation
An example implementation could look like this:
const sentence = 'The quick brown fox jumps over the lazy dog. It barked.';
const regex = /[A-Z]/g;
const matched = sentence.match(regex);
console.log(matched);
// expected output: Array ["T", "I"]
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