Returns "this-is-my-blog-post"
$slug = Str::slug('This is my blog post!');
Returns "this_is_my_blog_post"
$slug = Str::slug('This is my blog post!', '_');
public function slug($title, $separator = '-', $keepExtension = false)
{
$title = $this->ascii($title);
// Remove all characters that are not the separator, letters, numbers, or whitespace.
$title = preg_replace('![^' . preg_quote($separator) . '\\pL\\pN\\s]+!u', '', $this->lower($title));
// Replace all separator characters and whitespace by a single separator
$title = preg_replace('![' . preg_quote($separator) . '\\s]+!u', $separator, $title);
return trim($title, $separator);
}