From c27608febeae2159e09ee4b94726b659d7a152b0 Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Thu, 10 Mar 2022 12:11:08 +0800
Subject: [PATCH] UPE // Further optimization of regex processing.

---
 UserPhraseEditor/StringExtension.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/UserPhraseEditor/StringExtension.swift b/UserPhraseEditor/StringExtension.swift
index 230e58ab..e2f149fa 100644
--- a/UserPhraseEditor/StringExtension.swift
+++ b/UserPhraseEditor/StringExtension.swift
@@ -37,8 +37,8 @@ extension String {
         // Tab to ASCII Space
         // 統整連續空格為一個 ASCII 空格
         strProcessed.regReplace(pattern: #"( +|　+| +|\t+)+"#, replaceWith: " ")
-        strProcessed.regReplace(pattern: #"(\f+|\r+)+"#, replaceWith: "\n") // CR & Form Feed to LF
-        strProcessed.regReplace(pattern: #"(\n+| \n+|\n+ )"#, replaceWith: "\n") // 去除行尾行首空格與重複行
+        strProcessed.regReplace(pattern: #"(^ | $)"#, replaceWith: "") // 去除行尾行首空格
+        strProcessed.regReplace(pattern: #"(\f+|\r+|\n+)+"#, replaceWith: "\n") // CR & Form Feed to LF, 且去除重複行
         if strProcessed.prefix(1) == " " { // 去除檔案開頭空格
             strProcessed.removeFirst()
         }