const rules = {
phone_no: 'starts_with:99'
}
// or
const rules = {
phone_no: [
rule('starts_with', 99)
]
}Ensure the value of field under validation starts with a certain substr. This validation will also trim whitespaces before making the check
const rules = {
phone_no: 'starts_with:99'
}
// or
const rules = {
phone_no: [
rule('starts_with', 99)
]
}For customized build, you can import this rule as follows.
import { startsWith } from 'indicative/builds/validations'