refactor regex for inline monospace

Author: denco

src/markupParser.ts

@@ -69,7 +69,7 @@ export function parseMarkup(sourceUri: vscode.Uri, sourceText: string) {
 			tag = tag.replace(/\+([^\+]*)\+/g, "<u>$1</u>");
 			tag = tag.replace(/\^([^\^]*)\^/g, "<sup>$1</sup>");
 			tag = tag.replace(/~([^~]*)~/g, "<sub>$1</sub>");
-			tag = tag.replace(/\{{2}([^\{\{]*)\}{2}/g, `<code style='font-family: ${MONOSPACE_FONT_FAMILY}'>$1</code>`);
+			tag = tag.replace(/\{{2}([^\{{2}]*)\}{2}/g, `<code style='font-family: ${MONOSPACE_FONT_FAMILY}'>$1</code>`);
 			tag = tag.replace(/\?{2}(.*)\?{2}/g, "<cite>$1</cite>");
 			tag = tag.replace(/\{color:(\w+)\}(.*)\{color\}/g, "<span style='color:$1;'>$2</span>");