Validators

Common Properties

• type* specifies which validator type to use.
• errorMsg* displays a custom error message. UCC provides default error messages.

String

Properties

• minLength* specifies the minimum number of characters allowed.
• maxLength* specifies the maximum number of characters allowed.

See the following example usage:

{
    "type": "string",
    "errorMsg": "Length of index name should be between 1 to 80 characters.",
    "minLength": 1,
    "maxLength": 80
}

Regex

Properties

• pattern* is a Regex pattern.

See the following example usage:

{
    "type": "regex",
    "errorMsg": "Input Name must begin with a letter and consist exclusively of alphanumeric characters and underscores.",
    "pattern": "^[a-zA-Z]\\w*$"
}

Number

Properties

• range* is the range within which the target value should fall.

See the following example usage:

{
    "type": "number",
    "range": [
        1,
        65535
    ]
}

URL

No parameters are needed.

If you’re using a regexp internally, this regex checks whether a field value is a URL or not.

Email

No parameters are needed.

Using a regexp internally is recommended by WHATWG.

IPV4

No parameters are needed.

Internally, it checks the IPV4 address using this regex.

Date

No parameters are needed.

It is validated if the field’s value is a date in the ISO 8601 format. It uses the regex from moment.js.