Java usuń puste linie z ciągu
String text = "line 1\n\nline 3\n\n\nline 5";
String adjusted = text.replaceAll("(?m)^[ \t]*\r?\n", "");
// ...
TomSoniQ
String text = "line 1\n\nline 3\n\n\nline 5";
String adjusted = text.replaceAll("(?m)^[ \t]*\r?\n", "");
// ...
String text = "line 1\n\nline 3\n\n\nline 5";
String adjusted = text.replaceAll("(?m)^[ \t]*\r?\n", "");