Fix comment parsing (#12750)

Co-authored-by: Erovia <Erovia@users.noreply.github.com>

keyboards/monstargear/xo87/rgb/config.h

@@ -30,7 +30,7 @@
 #define MATRIX_COLS 16
 
 #define BACKLIGHT_PIN F5
-#define MATRIX_ROW_PINS { E6,E7, E3, B0, B1 ,A2}//
+#define MATRIX_ROW_PINS { E6,E7, E3, B0, B1 ,A2}
 #define MATRIX_COL_PINS { C5,C3,C1,E1,D6,D2,B7,B3,F6,F7,F3,A5,A1,E2,C7,A6 }
 #define UNUSED_PINS
 #define DIODE_DIRECTION ROW2COL

lib/python/qmk/c_parse.py

@@ -8,7 +8,7 @@ from milc import cli
 from qmk.comment_remover import comment_remover
 
 default_key_entry = {'x': -1, 'y': 0, 'w': 1}
-single_comment_regex = re.compile(r' */[/*].*$')
+single_comment_regex = re.compile(r'\s+/[/*].*$')
 multi_comment_regex = re.compile(r'/\*(.|\n)*?\*/', re.MULTILINE)