CODEWITHSUNDEEP
javaregexstringsubstring
Casper
Casper

Reputation: 1723

JAVA - split string with 2 delimiters

I have a text file like this: 

fname, lname~email~info
fname, lname~email~info
fname, lname~email~info
fname, lname~~info

I need to split these strings into either a 1 or 2D array. I have used this code: 

  public void readFile() throws IOException {   
    BufferedReader br = new BufferedReader(new FileReader("contacts.txt"));
    try {
        StringBuilder sb = new StringBuilder();
        String line = br.readLine();

        while (line != null) {
            sb.append(line);
            sb.append(System.lineSeparator());
            line = br.readLine();
        }
        String everything = sb.toString();
        // store data into array
        for (String retval: everything.split("~")){
          System.out.println(retval);
        }

        // store data into array
        //String[] retval = everything.split("~");
        //System.out.println(retval[2]);


    } finally {
        br.close();
    }
  }

But the problem is the reader doesn't split the new lines, it ended up giving me this as a string

info
fname, lname

as a string (yes with the spaces)

How would I achieve this within one step of split? And note that the last line of text file doesn't have the email part, hence the the split should store an empty string, not skipping it.

THanks

Upvotes: 1

Views: 109

Answers (2)

StackFlowed
StackFlowed

Reputation: 6816

You can change it to 

 everything.split("~|[\r\n]+");

EDIT: 

for (String retval: everything.split("~")){
    if(retval !=null && !retail.isEmpty) {
       System.out.println(retval);
    } else {
       System.out.Println("String is empty or null");
    }
}

Upvotes: 1

hwnd
hwnd

Reputation: 70732

I would say you are looking to split on ~ and newline sequences. The following should work for you.

everything.split("~|[\r\n]+");

Upvotes: 1

Related Questions