Snippets
validation

How-to articles, tricks, and solutions about VALIDATION

Asking the user for input until they give a valid response

To ask the user for input and repeat the prompt until they give a valid response, you can use a while loop and use a try-except block to catch any errors that may occur when trying to convert the user input to the desired data type.

validation input python

Form Validation Using JavaScript

Incorrect information leads to bad user interactions. So as to prevent this problem, read and learn how to validate forms with the help of JavaScript!

html javascript form validation

How can I check if a single character appears in a string?

To check if a single character appears in a string in Java, you can use the indexOf method of the String class.

java validation string character

How to Set a Minlength Validation in HTML5

In this snippet, find out what alternative attributes to minlength can be used to set a minlength validation in HTML5. Read our snippet and try examples.

html validation input

How to set php executable path vscode inside docker container?

To set the php.validate.executablePath in Visual Studio Code (VS Code) when running PHP inside a Docker container, you can follow these steps:

php validation visual-studio-code vscode-settings

How to Validate an E-mail Using JavaScript

Read this tutorial and learn a fast and easy solution to the issue of validating an email using JavaScript. Also, you will read about what the email is.

html javascript form validation email regex

How to Validate an Email with PHP

This tutorial explains how to validate an email using the PHP arsenal. Check out the examples of how to do that with the help of a PHP function and regex.

php validation email regex function

How to Validate on Max File Size in Laravel?

To validate a file size in Laravel, you can use the size rule in your request validation.

php validation laravel

How to Validate URL with PHP

In this snippet, we provide guidelines on one of the most common issues in PHP. Here, we show the most straightforward way on how to validate URL with PHP.

php link validation regex url

How validate unique email out of the user that is updating it in Laravel?

In Laravel, you can use the unique validation rule to validate that an email address is unique when a user is updating their account.

php validation email laravel authentication

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