private static int indexOfAny(String s, String chars) {
		return indexOfAny(s, chars, 0, true);
	}
Returns the matching Ghidra function (based on namespace and symbol name).

@param program {@link Program} containing the function
@return Ghidra {@link Function}
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoSymbolName.java