Laravel Validation Regex Pattern Example

Admin   Laravel   972  2021-03-14 22:00:06

Hi Guys,

Today,I will explain how to validation regex pattern in laravel. you can easy to use validation regex pattern in laravel we are show the regex pattern validation. we will field under validation regex pattern string in laravel

In this example,you can simply apply to validation to regex pattern Validation in laravel. The field under validation must have a regex pattern value.

here the example of laravel validation allow only regex pattern

let see below the solution

solution

 

$request->validate([

'project_name' => 'required|regex:/(^([a-zA-z]+)(\d+)?$)/u',

]);

Valid values for project name:

 

nicesnippets123

nicesnippets

nicesnippets

Invalid values for project name:

 

123nicesnippets

!nicesnippets

nicesnippets 123

nice snippets

nice snippets123

Route : routes/web.php

 

Route::get('blogs','[email protected]');

Route::post('blogs','[email protected]')->name('blogs.store');

Controller : app/Http/Controllers/BlogController.php

 

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use Illuminate\Notifications\Notification;

class BlogController extends Controller

{

/**

* Display a listing of the resource.

*

* @return \Illuminate\Http\Response

*/

public function index()

{

return view('index');

}

/**

* Store a newly created resource in storage.

*

* @param \Illuminate\Http\Request $request

* @return \Illuminate\Http\Response

*/

public function store(Request $request)

{

$request->validate([

"project_name" => "required|regex pattern"

]);

return redirect()->back();

}

}

View : resources/views/index.php

 

<!DOCTYPE html>

<html>

<head>

<title>From</title>

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha512-MoRNloxbStBcD8z3M/2BmnT+rg4IsMxPkXaGh2zD6LGNNFE80W3onsAhRcMAMrSoyWL9xD7Ert0men7vR8LUZg==" crossorigin="anonymous" />

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>

</head>

<body class="bg-dark">

<div class="container">

<div class="row">

<div class="col-md-6 offset-3">

<div class="card mt-5">

<div class="card-header">

<div class="row">

<div class="col-md-9">

Laravel Validation Regex Pattern Example

</div>

<div class="col-md-3 text-right">

<a href="{{ route('form') }}" class="btn btn-sm btn-outline-primary">Back</a>

</div>

</div>

</div>

<div class="card-body">

@if (count($errors) > 0)

<div class="row">

<div class="col-md-12">

<div class="alert alert-danger alert-dismissible">

<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>

@foreach($errors->all() as $error)

{{ $error }} <br>

@endforeach

</div>

</div>

</div>

@endif

<form action="{{ route('from.store') }}" method="post">

@csrf

<div class="row">

<div class="col-md-12">

<div class="form-group">

<label>Project Name:</label>

<input name="project_name" type="text" class="form-control">

</div>

</div>

</div>

<div class="row">

<div class="col-md-12">

<button class="btn btn-block btn-success">Submit</button>

</div>

</div>

</form>

</div>

</div>

</div>

</div>

</div>

</body>

</html>

It will help you...