From c2df516faccd6d015e374825b5fbc423a7b3fda9 Mon Sep 17 00:00:00 2001
From: Tyson Andre <tysonandre775@hotmail.com>
Date: Thu, 26 Mar 2020 22:13:18 -0400
Subject: [PATCH] Improve performance when checking long words for typos

Fix backtracking in this regex that harmed performance when there
were long strings of lowercase letters without uppercase or underscores.
---
 src/TypoCheckUtils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TypoCheckUtils.php b/src/TypoCheckUtils.php
index 3211b78..b46fbd2 100644
--- a/src/TypoCheckUtils.php
+++ b/src/TypoCheckUtils.php
@@ -108,7 +108,7 @@ public static function getTyposForText(string $contents, bool $plaintext = false
                 $suggestions = $dictionary[strtolower($word)] ?? null;
                 if ($suggestions === null) {
                     // Analyze anything resembling camelCase, CamelCase, or snake_case
-                    if (preg_match('/(?:[a-z].*[A-Z]|_)/', $word)) {
+                    if (preg_match('/(?:[a-z][A-Z]|_)/', $word)) {
                         preg_match_all('/[a-z]+|[A-Z](?:[a-z]+|[A-Z]+(?![a-z]))/', $word, $matches);
                         if (count($matches[0]) >= 2) {
                             foreach ($matches[0] as $inner_word) {