From 090bddbcea3e48a2acd3b06a22a6fbcb3de1ddaf Mon Sep 17 00:00:00 2001
From: canvrno <46584286+canvrno@users.noreply.github.com>
Date: Wed, 25 Jun 2025 14:43:26 -0700
Subject: [PATCH] Fix: Accept trailing ">" on search and replace blocks (#4427)

* Modified regex to account for trailing > characters in search and replace blocks

* added check back to other regex's

* Re-ordered regex consts for readability
---
 .changeset/nine-dolphins-judge.md  |  5 +++++
 src/core/assistant-message/diff.ts | 10 ++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)
 create mode 100644 .changeset/nine-dolphins-judge.md

diff --git a/.changeset/nine-dolphins-judge.md b/.changeset/nine-dolphins-judge.md
new file mode 100644
index 0000000000..bfcf8b4abe
--- /dev/null
+++ b/.changeset/nine-dolphins-judge.md
@@ -0,0 +1,5 @@
+---
+"claude-dev": patch
+---
+
+Modified diff regex to account for trailing > in search & replace blocks
diff --git a/src/core/assistant-message/diff.ts b/src/core/assistant-message/diff.ts
index e03d77243a..f5696fc652 100644
--- a/src/core/assistant-message/diff.ts
+++ b/src/core/assistant-message/diff.ts
@@ -8,11 +8,13 @@ const LEGACY_SEARCH_BLOCK_CHAR = "<"
 const LEGACY_REPLACE_BLOCK_CHAR = ">"
 
 // Replace the exact string constants with flexible regex patterns
-const SEARCH_BLOCK_START_REGEX = /^[-]{3,} SEARCH$/
+const SEARCH_BLOCK_START_REGEX = /^[-]{3,} SEARCH>?$/
+const LEGACY_SEARCH_BLOCK_START_REGEX = /^[<]{3,} SEARCH>?$/
+
 const SEARCH_BLOCK_END_REGEX = /^[=]{3,}$/
-const REPLACE_BLOCK_END_REGEX = /^[+]{3,} REPLACE$/
-const LEGACY_SEARCH_BLOCK_START_REGEX = /^[<]{3,} SEARCH$/
-const LEGACY_REPLACE_BLOCK_END_REGEX = /^[>]{3,} REPLACE$/
+
+const REPLACE_BLOCK_END_REGEX = /^[+]{3,} REPLACE>?$/
+const LEGACY_REPLACE_BLOCK_END_REGEX = /^[>]{3,} REPLACE>?$/
 
 // Helper functions to check if a line matches the flexible patterns
 function isSearchBlockStart(line: string): boolean {