Formatting: Improve parenthesis handling in make_clickable().

Improve the regular expression for making links clickable to account for parenthesis in links containing an extension, for example: `http://wordpress.org/my-image(2).jpg`.

Props coquardcyr, hellofromtonya, parthvataliya, rhellewellgmailcom.
Fixes #62037.


git-svn-id: https://develop.svn.wordpress.org/trunk@59143 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/formatting.php

@@ -2943,6 +2943,10 @@ function _make_url_clickable_cb( $matches ) {
 		$suffix = $matches[3];
 	}
 
+	if ( isset( $matches[4] ) && ! empty( $matches[4] ) ) {
+		$url .= $matches[4];
+	}
+
 	// Include parentheses in the URL only if paired.
 	while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
 		$suffix = strrchr( $url, ')' ) . $suffix;
@@ -3115,6 +3119,7 @@ function make_clickable( $text ) {
 					)*
 				)
 				(\)?)                                          # 3: Trailing closing parenthesis (for parenthesis balancing post processing).
+				(\\.\\w{2,6})?                                 # 4: Allowing file extensions (e.g., .jpg, .png).
 			~xS';
 			/*
 			 * The regex is a non-anchored pattern and does not have a single fixed starting character.

tests/phpunit/tests/formatting/makeClickable.php

@@ -245,6 +245,16 @@ public function data_urls() {
 							   Richard Hamming wrote about people getting more done with their doors closed, but',
 			),
 
+			// @ticket #62037
+			'URL with brackets in path before the extension' => array(
+				'text'     => 'http://example-image(2).jpg',
+				'expected' => '<a href="http://example-image(2).jpg" rel="nofollow">http://example-image(2).jpg</a>',
+			),
+			'URL with brackets within path and with a extension' => array(
+				'text'     => 'http://example-(2)-image.jpg',
+				'expected' => '<a href="http://example-(2)-image.jpg" rel="nofollow">http://example-(2)-image.jpg</a>',
+			),
+
 			// @ticket 11211
 			// Test with real comments which were incorrectly linked.
 			'real world: example.com text (.org URL)'    => array(