public static boolean isGhidraURL(String str) {
		return str != null && str.startsWith(PROTOCOL_URL_START);
	}
Determine if the specified string appears to be a possible ghidra URL
(starts with "ghidra:/"). 
@param str string to be checked
@return true if string is possible ghidra URL
Ghidra/Framework/Project/src/main/java/ghidra/framework/protocol/ghidra/GhidraURL.java