Regular expression to parse variables and their values, but only certain types

#include <Array.au3>

Global Const $CONST_INT = 100 ; Good
Global Const $CONST_HEX = 0xFFFFFF ; Good
Global Const $CONST_FUNC = BitOR($CONST_INT, $CONST_HEX) ; Bad
Global Const $CONST_UDF_WITH_HEXCHRS = AFC() ; Bad
Global Const $CONST_NUMBER_NEG = -100 ; Good
Global Const $CONST_MACRO = @ScriptDir ; Good
Global Const $CONST_BOOL = True ; Good

Local $sData = FileRead(@ScriptFullPath)
Local $aSRE = StringRegExp($sData, '(?i)\$(\w+)\h*=\h*(@\w+|True|False|[\dA-Fx\-]+),?', 3)
_ArrayDisplay($aSRE)

Func AFC()
    Return True
EndFunc   ;==>AFC