framework/validators/UrlValidator.php
public function getClientOptions($model, $attribute)
    {
        if (strpos($this->pattern, '{schemes}') !== false) {
            $pattern = str_replace('{schemes}', '(' . implode('|', $this->validSchemes) . ')', $this->pattern);
        } else {
            $pattern = $this->pattern;
        }

        $options = [
            'pattern' => new JsExpression($pattern),
            'message' => $this->formatMessage($this->message, [
                'attribute' => $model->getAttributeLabel($attribute),
            ]),
            'enableIDN' => (bool) $this->enableIDN,
        ];
        if ($this->skipOnEmpty) {
            $options['skipOnEmpty'] = 1;
        }
        if ($this->defaultScheme !== null) {
            $options['defaultScheme'] = $this->defaultScheme;
        }

        return $options;
    }
public function getClientOptions($model, $attribute)
    {
        if (strpos($this->pattern, '{schemes}') !== false) {
            $pattern = str_replace('{schemes}', '(' . implode('|', $this->validSchemes) . ')', $this->pattern);
        } else {
            $pattern = $this->pattern;
        }

        $options = [
            'pattern' => new JsExpression($pattern),
            'message' => $this->formatMessage($this->message, [
                'attribute' => $model->getAttributeLabel($attribute),
            ]),
            'enableIDN' => (bool) $this->enableIDN,
        ];
        if ($this->skipOnEmpty) {
            $options['skipOnEmpty'] = 1;
        }
        if ($this->defaultScheme !== null) {
            $options['defaultScheme'] = $this->defaultScheme;
        }

        return $options;
    }
{@inheritdoc}