Update katex regex for jQuery expressions in KaTeX matching

src/vs/workbench/contrib/markdown/common/markedKatexExtension.ts

@@ -5,13 +5,12 @@
 import type * as marked from '../../../../base/common/marked/marked.js';
 import { htmlAttributeEncodeValue } from '../../../../base/common/strings.js';
 
-export const mathInlineRegExp = /(?<![a-zA-Z0-9])(?<dollars>\${1,2})(?!\$)((?:\\.|[^\\\n])*?(?:\\.|[^\\\n\$]))\k<dollars>(?![a-zA-Z0-9])/; // Non-standard, but ensure opening $ is not preceded and closing $ is not followed by word/number characters
+export const mathInlineRegExp = /(?<![a-zA-Z0-9])(?<dollars>\${1,2})(?!\.)(?!\()(?!["'#])((?:\\.|[^\\\n])*?(?:\\.|[^\\\n\$]))\k<dollars>(?![a-zA-Z0-9])/; // Non-standard, but ensure opening $ is not preceded and closing $ is not followed by word/number characters, opening $ not followed by ., (, ", ', or #
 export const katexContainerClassName = 'vscode-katex-container';
 export const katexContainerLatexAttributeName = 'data-latex';
 
 const inlineRule = new RegExp('^' + mathInlineRegExp.source);
 
-
 export namespace MarkedKatexExtension {
 	type KatexOptions = import('katex').KatexOptions;
 

src/vs/workbench/contrib/markdown/test/browser/__snapshots__/Markdown_Katex_Support_Test_Should_not_render_math_when_dollar_signs_appear_in_jQuery_expressions.0.snap

@@ -0,0 +1 @@
+<p>$.getJSON, $.ajax, $.get and $("#dialogDetalleZona").dialog(...) / $("#dialogDetallePDC").dialog(...)</p>

src/vs/workbench/contrib/markdown/test/browser/markdownKatexSupport.test.ts

@@ -73,5 +73,11 @@ suite('Markdown Katex Support Test', () => {
 		assert.ok(rendered.element.innerHTML.includes('katex'));
 		await assertSnapshot(rendered.element.innerHTML);
 	});
+
+	test('Should not render math when dollar signs appear in jQuery expressions', async () => {
+		const rendered = await renderMarkdownWithKatex('$.getJSON, $.ajax, $.get and $("#dialogDetalleZona").dialog(...) / $("#dialogDetallePDC").dialog(...)');
+		assert.ok(!rendered.element.innerHTML.includes('katex'));
+		await assertSnapshot(rendered.element.innerHTML);
+	});
 });