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How to replace two different delimiters in a string with some characters in Java?

Posted on 2013-11-13
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Last Modified: 2013-11-14
Hi,
I have the following string and I would like to replace all the spaces and commas in this string with some characters.

Please see the example below:

Input string:

12345, 234567 3456789

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Expected output string:

-c 12345 -xyz\r\n-c 234567 -xyz\r\n-c 3456789 -xyz

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how can I do it in Java?
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Question by:Tolgar
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11 Comments
 
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Expert Comment

by:CEHJ
ID: 39644772
I would do it in two stages

a. tokenize the string
b. place the tokens in a new one

a. has already been answered elsewhere

b. (assuming that's a command)

String command = String.format("-c %s -xyz\\r\\n-c %s -xyz\\r\\n-c %s -xyz", tokens[0], tokens[1], tokens[2]);

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Author Comment

by:Tolgar
ID: 39644800
Sorry, I couldn't understand it. Can you please send me code with the tokenizing part?

And example that I sent you has three numbers in it but there can be any number of numbers in the input string.

Example2:

12345, 234567 3456789, 345672 4532344566,4366, 46665467

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Thanks,
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 39644901
Sorry, I couldn't understand it. Can you please send me code with the tokenizing part?
That's already been answered by kaufmed

And example that I sent you has three numbers in it but there can be any number of numbers in the input string.
And the same prefix goes before every number?
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Author Comment

by:Tolgar
ID: 39644936
@CEHJ: The code you sent me is only for 3 numbers. If you can send me the whole code (inlcuding kaufmed's answer). that would help me better.

Thanks,
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LVL 86

Expert Comment

by:CEHJ
ID: 39644961
I'm sorry, but i'm not going to provide you with a record of your own answered questions
You also didn't answer the question i just asked you ...
0
 

Author Comment

by:Tolgar
ID: 39645134
oh, sorry, I didn't read your last line as a question.

And yes, the same prefix goes before every number.
0
 

Author Comment

by:Tolgar
ID: 39645204
ok. This is what I have with  Kaufmed's code in it:
            String ListNumbers = listNum.replaceAll("[ ,]+", "\r\n-c ");
            populatechangelist("-c " + ListNumbers + "\r\n");

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The code above only add "-c " in the beginning of each number by replacing space or comma in between the numbers.

However, I also need to add "-xyz" after any number. And I cannot do it.

Do you have any idea?
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LVL 86

Expert Comment

by:CEHJ
ID: 39645600
This "\r\n" - are you intending that to be a linefeed?
0
 

Author Comment

by:Tolgar
ID: 39645836
Yes, that's right.
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LVL 86

Accepted Solution

by:
CEHJ earned 500 total points
ID: 39646042
Try

    public static String getParameters(String s) {
        final String LINEFEED = System.getProperty("line.separator");
        StringBuilder result = new StringBuilder();
        String[] atoms = s.split("[ ,]+");
        String sep = "";

        for (String atom : atoms) {
            result.append(String.format("%s-c %s -xyz", sep, atom));
            sep = LINEFEED;
        }

        return result.toString();
    }

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0
 
LVL 86

Expert Comment

by:CEHJ
ID: 39648726
:)
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