3.4.2. Regex

This validator will validate the control value against a regular expression.

Specification

This validator will validate the control value against a regular expression.

The validator should be registered in the validator service.

export class ValidatorService {
    private validators: Array<Validator> = [
         new RegexValidator("regex")
    ];
}

The validator will be linked to the control in the process definition file.

{
  "name" : "my-process",
  "activities": [
     {
       "name": "start",
       "type": "page-activity",
       "controls": [
         { 
           "tag": "input", 
           "id": "user.firstName",                        
           "validators": [
             { 
               "name": "regex", 
               "message": "Enter a valid name", 
               "expression": "^[A-Z][a-z]*$" 
             }
           ]
         },
       ]
     }
  ]
}

Properties

Property	Description
name	The type of the validator, it should be regex for the required validator.
message	The error message to be displayed.
expression	The expression to use for the validation.