InputField.onValidateInput

Description

The function to call to validate the input characters.

#pragma strict
// Required when Using UI elements.
public class Example {
	public var mainInputField;
	public function Start() {
		// Sets the MyValidate method to invokes after the input field's default input validation invokes (default validation happens every time a character is entered into the text field.)
		mainInputField.onValidateInput += function() {
			return MyValidate(addedChar);
		};
	}
	private function MyValidate(charToValidate) {
		//Checks if a dollar sign is entered....
		if (charToValidate == '$') {
			// ... if it is change it to an empty character.
			charToValidate = '\0';
		}
		return charToValidate;
	}
}

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when Using UI elements.

public class Example : MonoBehaviour 
{
	public InputField mainInputField;

	public void Start()
	{
		// Sets the MyValidate method to invokes after the input field's default input validation invokes (default validation happens every time a character is entered into the text field.)
		mainInputField.onValidateInput += delegate(string input, int charIndex, char addedChar) { return MyValidate( addedChar ); };
	}

	private char MyValidate(char charToValidate)
	{
		//Checks if a dollar sign is entered....
		if (charToValidate == '$')
		{
			// ... if it is change it to an empty character.
			charToValidate = '\0';
		}
		return charToValidate;
	}
}