regex fixes

README.md

@@ -15,7 +15,3 @@ $ git clone https://forge.tourmentine.com/n/shaarli-plugin-clickat.git path/to/s
     - Threads with `@nic@threads.net`,
     - Bluesky with `@nic.bsky.social`,
     - Fediverse with `@nic@instance`.
-
-## Caveats
-
-For now addresses need to be proceded by an empty space.

clickat.php

@@ -12,12 +12,12 @@ use Shaarli\Render\TemplatePage;
 function hook_clickat_render_linklist($data)
 {
     $patterns = array(
-        '/\ @([\w\d]+).bsky.social/'    => ' <a href="https://bsky.app/profile/\1.bsky.social">&commat;\1.bsky.social</a>',
-        '/\ @([\w\d]+)@([\w\d_\-\.]+)/' => ' <a href="https://\2/@\1">&commat;\1</a>',
-        '/\ @([\w\d]+)/'                => ' <a href="https://twitter.com/\1">&commat;\1</a>'
+        '/([^\S]+)@([\w]+).bsky.social/'  => '\1<a href="https://bsky.app/profile/\2.bsky.social">&commat;\2.bsky.social</a>',
+        '/([^\S]+)@([\w]+)@([\w_\-\.]+)/' => '\1<a href="https://\3/@\2">&commat;\2</a>',
+        '/([^\S]+)@([\w]+)/'              => '\1<a href="https://twitter.com/\2">&commat;\2</a>'
     );
     foreach ($data['links'] as &$value) {
-        if (strpos($value['description'], ' @') !== false) {
+        if (strpos($value['description'], '@') !== false) {
             foreach($patterns as $nic => $link) {
                 $value['description'] = preg_replace($nic, $link, $value['description']);
             }