isbn validator
Validate an ISBN (International Standard Book Number). Support both ISBN 10 and ISBN 13
Options
Use with form field
The HTML attributes are used to set the validator options via the Declarative plugin
| Name | HTML attribute | Type | Description |
|---|---|---|---|
message |
data-fv-isbn___message |
String | The error message |
Use with JavaScript module
// You might need to change the importing path
import isbn from 'formvalidation/validators/isbn';
const result = isbn().validate({
value: ...,
options: {
message: ...,
},
});
/*
result is an object of
{
valid: true or false,
message: The error message,
meta: {
// Can be null (in case the value is not a valid ISBN) or ISBN10, ISBN13
type: ...
}
}
*/
Basic Example
You can click on sample to see if it's a valid or invalid ISBN.
| Sample | Is valid? |
|---|---|
| 9971502100 | |
| 99921-58-10-7 | |
| 960 425 059 0 | |
| 99921-58-10-6 | |
| 9780306406157 | |
| 978-0-306-40615-7 | |
| 978 0 306 40615 7 | |
| 978-0-306-40615-6 |
Module Example
The following snippet shows how to use the isbn validator with JavaScript module:
// You might need to change the importing path
import isbn from 'formvalidation/validators/isbn';
const res1 = isbn().validate({
value: '9971502100',
options: {
message: 'The value is not valid ISBN',
},
});
// res1.valid === true
// res1.meta.type === 'ISBN10'
const res2 = isbn().validate({
value: '99921-58-10-6',
options: {
message: 'The value is not valid ISBN',
},
});
// res2.valid === false
// res2.meta.type === null