URL input validation rule (#223)

app/Http/Requests/AnswerFormRequest.php

@@ -12,6 +12,7 @@ use Illuminate\Validation\Rule;
 use Illuminate\Http\Request;
 use App\Rules\ValidHCaptcha;
 use App\Rules\ValidPhoneInputRule;
+use App\Rules\ValidUrl;
 
 class AnswerFormRequest extends FormRequest
 {
@@ -171,7 +172,7 @@ class AnswerFormRequest extends FormRequest
                     $this->requestRules[$property['id'].'.*'] = [new StorageFile($this->maxFileSize, [], $this->form)];
                     return ['array'];
                 }
-                return ['url'];
+                return [new ValidUrl];
             case 'files':
                 $allowedFileTypes = [];
                 if(!empty($property['allowed_file_types'])){

app/Rules/ValidUrl.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class ValidUrl implements Rule
+{
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        // Define the regular expression to match the desired URL patterns
+        $pattern = '/^(https?:\/\/)?(www\.)?[\w.-]+\.\w+(:\d+)?(\/[^\s]*)?$/';
+
+        return preg_match($pattern, $value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'The :attribute format is invalid.';
+    }
+}