From a981bcbda24f1174edc10cd38b0e4d1e2ce7ab2c Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Wed, 28 Dec 2022 16:40:43 -0600
Subject: [PATCH] editor/pybricksMicroPython: fix numeric literal highlighting

This was picking up leading underscores, e.g. the first `__` in
`__name__`.
---
 src/editor/pybricksMicroPython.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/editor/pybricksMicroPython.ts b/src/editor/pybricksMicroPython.ts
index 185297f7..8e148c8f 100644
--- a/src/editor/pybricksMicroPython.ts
+++ b/src/editor/pybricksMicroPython.ts
@@ -224,7 +224,7 @@ export const language = <monaco.languages.IMonarchLanguage>{
             [/\b0[bB](0|1|_)+/, 'constant.numeric.bin'],
             [/\b0[oO]([0-7]|_)+/, 'constant.numeric.oct'],
             [/\b0[xX]([abcdef]|[ABCDEF]|\d|_)+/, 'constant.numeric.hex'],
-            [/\b([\d_]*\.)?[\d_]+([eE][+-]?[\d_]+)?[jJ]?/, 'constant.numeric'],
+            [/\b(\d[\d_]*\.|\.)?\d[\d_]*([eE][+-]?[\d_]+)?[jJ]?/, 'constant.numeric'],
         ],
 
         // Recognize strings, including those broken across lines with \ (but not without)