From 0bfbace9aa38ec93e99b6d48d14e3f75acaa8428 Mon Sep 17 00:00:00 2001
From: Hwang In Tak <sp301415@gmail.com>
Date: Tue, 24 Sep 2024 22:00:01 +0900
Subject: [PATCH] fix: Simplify regex

---
 src/lib/utils/index.ts                  | 18 ------------------
 src/lib/utils/marked/katex-extension.ts |  6 ++++--
 2 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/src/lib/utils/index.ts b/src/lib/utils/index.ts
index bb553c57e..cea7f6e64 100644
--- a/src/lib/utils/index.ts
+++ b/src/lib/utils/index.ts
@@ -8,23 +8,6 @@ import { TTS_RESPONSE_SPLIT } from '$lib/types';
 // Helper functions
 //////////////////////////
 
-const convertLatexToSingleLine = (content) => {
-	// Patterns to match multiline LaTeX blocks
-	const patterns = [
-		/(\$\$\s[\s\S]*?\s\$\$)/g, // Match $$ ... $$
-		/(\\\[[\s\S]*?\\\])/g, // Match \[ ... \]
-		/(\\begin\{[a-z]+\}[\s\S]*?\\end\{[a-z]+\})/g // Match \begin{...} ... \end{...}
-	];
-
-	patterns.forEach((pattern) => {
-		content = content.replace(pattern, (match) => {
-			return match.replace(/\s*\n\s*/g, ' ').trim();
-		});
-	});
-
-	return content;
-};
-
 export const replaceTokens = (content, char, user) => {
 	const charToken = /{{char}}/gi;
 	const userToken = /{{user}}/gi;
@@ -68,7 +51,6 @@ export const sanitizeResponseContent = (content: string) => {
 };
 
 export const processResponseContent = (content: string) => {
-	content = convertLatexToSingleLine(content);
 	return content.trim();
 };
 
diff --git a/src/lib/utils/marked/katex-extension.ts b/src/lib/utils/marked/katex-extension.ts
index 755519566..371c4c932 100644
--- a/src/lib/utils/marked/katex-extension.ts
+++ b/src/lib/utils/marked/katex-extension.ts
@@ -35,11 +35,11 @@ function generateRegexRules(delimiters) {
 
 		if (!display) {
 			inlinePatterns.push(
-				`${escapedLeft}((?:\\\\.|[^\\\\\\n])*?(?:\\\\.|[^\\\\\\n${escapedRight}]))${escapedRight}`
+				`${escapedLeft}((?:\\\\[^]|[^\\\\])+?)${escapedRight}`
 			);
 		} else {
 			blockPatterns.push(
-				`${escapedLeft}((?:\\\\.|[^\\\\\\n])*?(?:\\\\.|[^\\\\\\n${escapedRight}]))${escapedRight}`
+				`${escapedLeft}((?:\\\\[^]|[^\\\\])+?)${escapedRight}`
 			);
 		}
 	});
@@ -109,6 +109,8 @@ function katexTokenizer(src, tokens, displayMode: boolean) {
 
 	const match = src.match(ruleReg);
 
+	console.log("searching:", src);
+
 	if (match) {
 		const text = match
 			.slice(2)