import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String line = "data1\\\\.d\\.ata2.da\\.ta3.data4";
		Pattern p = Pattern.compile("(?s)(?:[^\\\\.]|\\\\.)+");
	    Matcher m = p.matcher(line);
	    List<String> res = new ArrayList<>();
	    while(m.find()) {
	    	res.add(m.group());
	    }
	    System.out.println(res);
	}
}

aW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS51dGlsLnJlZ2V4Lio7CmltcG9ydCBqYXZhLmxhbmcuKjsKaW1wb3J0IGphdmEuaW8uKjsKCmNsYXNzIElkZW9uZQp7CglwdWJsaWMgc3RhdGljIHZvaWQgbWFpbiAoU3RyaW5nW10gYXJncykgdGhyb3dzIGphdmEubGFuZy5FeGNlcHRpb24KCXsKCQlTdHJpbmcgbGluZSA9ICJkYXRhMVxcXFwuZFxcLmF0YTIuZGFcXC50YTMuZGF0YTQiOwoJCVBhdHRlcm4gcCA9IFBhdHRlcm4uY29tcGlsZSgiKD9zKSg/OlteXFxcXC5dfFxcXFwuKSsiKTsKCSAgICBNYXRjaGVyIG0gPSBwLm1hdGNoZXIobGluZSk7CgkgICAgTGlzdDxTdHJpbmc+IHJlcyA9IG5ldyBBcnJheUxpc3Q8PigpOwoJICAgIHdoaWxlKG0uZmluZCgpKSB7CgkgICAgCXJlcy5hZGQobS5ncm91cCgpKTsKCSAgICB9CgkgICAgU3lzdGVtLm91dC5wcmludGxuKHJlcyk7Cgl9Cn0=