Ends With modifier

A modifier which creates a validation rule to ensure that a given string ends with a specific suffix.

Schemas

string: Learn more

Arguments

suffix - The suffix that the string must end with
message? - A custom object with error messages to be displayed when validation fails or there are type errors

Example

import { endsWith, string } from '@nordic-ui/validathor';
 
const endsWithRule = string([
  endsWith('.com', {
    suffix_error: "Must end with .com",
  }),
]);
 
try {
  const parsedValue = endsWithRule.parse('example.com');
  console.log('Parsed value:', parsedValue);
} catch (error) {
  console.error('Parsing failed:', error.message);
}

Validation Details

The endsWith modifier:

Performs case-sensitive suffix matching
Can check for any string suffix, not just single characters
Returns the original string if validation passes

Common Use Cases

import { endsWith, string } from '@nordic-ui/validathor';
 
// Validate file extensions
const imageRule = string([
  endsWith('.png', {
    suffix_error: "Must be a PNG file",
  }),
]);
 
// Check domain endings
const commercialDomainRule = string([
  endsWith('.com'),
]);
 
// Validate file types
const documentRule = string([
  endsWith('.pdf', {
    suffix_error: "Must be a PDF document",
  }),
]);
 
// Ensure specific formats
const percentageRule = string([
  endsWith('%', {
    suffix_error: "Must end with %",
  }),
]);

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