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Error Messages in React Form Validator component

The FormValidator provides default error messages for all default validation rules. It is tabulated as follows

Rules message
required This field is required.
email Please enter a valid email address.
url Please enter a valid URL.
date Please enter a valid date.
dateIso Please enter a valid date ( ISO ).
number Please enter a valid number.
digit Please enter only digits.
maxLength Please enter no more than {0} characters.
minLength Please enter at least {0} characters.
rangeLength Please enter a value between {0} and {1} characters long.
range Please enter a value between {0} and {1}.
max Please enter a value less than or equal to {0}.
min Please enter a value greater than or equal to {0}.
regex Please enter a correct value.

Customizing Error Messages

The default error message for a rule can be customizable by defining it along with concern rule object as follows.

Source
Preview
index.tsx
import { select } from '@syncfusion/ej2-base';
import { FormValidator, FormValidatorModel } from '@syncfusion/ej2-inputs';
import { DialogComponent } from '@syncfusion/ej2-react-popups';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

export default class Validation extends React.Component<{}, {}> {
public dialogInstance: DialogComponent;
public formObject: FormValidator;
private animationSettings: object = { effect: 'Zoom' };
  // Dialog will be closed, while clicking on overlay
  public onOverlayClick() {
        this.dialogInstance.hide();
  }
  public componentDidMount(): void {
        const options: FormValidatorModel = {
          // validation rules
         rules: {
          'email': {
            required: [true, '* Enter your email']
          },
          'password': {
            required: [true, '* Enter your password']
          },
        }
      };
      // Initialize the form validator
      this.formObject = new FormValidator('#form1', options);
  }

  public onSubmitClick(): void {
  if(this.formObject.validate()) {
    this.formObject.element.reset();
    this.dialogInstance.show();
      }
  }

public render(): JSX.Element {
  return (    <div className = 'control-pane'>
    <div className='control-section col-lg-12'>
      <div className='validation_wrapper'>
      <div className="control_wrapper" id="control_wrapper">
        <form id="form1"  method="post">
          <div className="form-group">
            <div className="e-float-input">
              <input type="email" id="Email" name="email" data-msg-containerid="mailError"/>
              <span className="e-float-line"/>
              <label className="e-float-text e-label-top" htmlFor="email" >Email</label>
            </div>
            <div id="mailError"/>
          </div>
          <div className="form-group" >
            <div className="e-float-input">
              <input type="password" id="number" name="password" data-msg-containerid="noError" />
              <span className="e-float-line"/>
              <label className="e-float-text e-label-top"  htmlFor="password" >Password</label>
            </div>
            <div id="noError"/>
          </div>
        </form>
        <br/>
        <br/>
        <div className="submitBtn">
          <button className="submit-btn e-btn" onClick={this.onSubmitClick = this.onSubmitClick.bind(this)} id="submit-btn">Submit</button>
        </div>
        <div id="confirmationDialog"/> </div>
      </div>
    </div>
    <DialogComponent id="defaultdialog" isModal={true} visible ={false} content = 'Your details has been updated successfully, Thank you' animationSettings={this.animationSettings} width={'50%'}  ref={dialog => this.dialogInstance = dialog!}
    target={'.control-section'} overlayClick={this.onOverlayClick=this.onOverlayClick.bind(this)} />
  </div>) }
}

ReactDOM.render(<Validation />, document.getElementById('form-element'));