From 9f6ac11ecb6c4155f2ae66ea21c1f5cf1fb51dab Mon Sep 17 00:00:00 2001
From: Timur Tripp <timur@timurtripp.com>
Date: Thu, 22 Aug 2024 12:36:25 -0600
Subject: [PATCH] CuBoulder/ucb_styled_block#1 Updates regular expression

---
 src/StyledBlockService.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/StyledBlockService.php b/src/StyledBlockService.php
index 1a6fe21..3644ecd 100644
--- a/src/StyledBlockService.php
+++ b/src/StyledBlockService.php
@@ -57,7 +57,7 @@ public function icon($input) {
         if (preg_match('/fa-([a-z]|[0-9]|-)+/', $className, $classMatches)) {
           $classFa = $classMatches[0];
           // Filters out any Font Awesome class that can't be an icon or style.
-          if (!preg_match('/fa-((2xs|xs|sm|lg|xl|2xl|([0-9]|10)x)|beat-fade|bounce|border|fade|flip-(horizontal|vertical|both)|fw|inverse|li|pull-(left|right)|rotate-(90|180|270|by)|shake|spin(-(pulse|reverse))?|sr-only(-focusable)?|stack(-(1|2)x)?|ul)$/', $classFa)) {
+          if (!preg_match('/^fa-((2xs|xs|sm|lg|xl|2xl|([0-9]|10)x)|beat-fade|bounce|border|fade|flip-(horizontal|vertical|both)|fw|inverse|li|pull-(left|right)|rotate-(90|180|270|by)|shake|spin(-(pulse|reverse))?|sr-only(-focusable)?|stack(-(1|2)x)?|ul)$/', $classFa)) {
             $output .= $output ? ' ' . $classFa : $classFa;
           }
         }