From 3ec82a9a80f79e2468e8b415ac8d835ffff5d210 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Fri, 18 May 2018 09:16:28 -0400
Subject: Only interpret \uXXXX in regex replacements and ignore \xYY. \xYY may
 not yield UTF-8 characters.

---
 modules/textadept/find.lua | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'modules/textadept/find.lua')

diff --git a/modules/textadept/find.lua b/modules/textadept/find.lua
index 0757a013..c1a664c8 100644
--- a/modules/textadept/find.lua
+++ b/modules/textadept/find.lua
@@ -316,9 +316,12 @@ end
 local function replace(rtext)
   if buffer.selection_empty then return end
   if M.in_files then M.in_files = false end
-  rtext = rtext:gsub('\\u(%x%x%x%x)', function(code)
-    return utf8.char(tonumber(code, 16))
-  end):gsub('\\x(%x%x)', function(c) return string.char(tonumber(c, 16)) end)
+  if M.regex then
+    -- Interpret \uXXXX sequences, just like with \n, \t, etc.
+    rtext = rtext:gsub('%f[\\]\\u(%x%x%x%x)', function(code)
+      return utf8.char(tonumber(code, 16))
+    end)
+  end
   buffer:target_from_selection()
   buffer[not M.regex and 'replace_target' or 'replace_target_re'](buffer, rtext)
   buffer:set_sel(buffer.target_start, buffer.target_end)
-- 
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