Parsing a String into Paragraphs Using a Regular Expression : Paragraph « Regular Expressions « Java

1. Java
2. Regular Expressions
3. Paragraph

Parsing a String into Paragraphs Using a Regular Expression

import java.util.regex.Pattern;

public class Main {
  public static void main(String[] argv) throws Exception {

    CharSequence inputStr = "a\r\rb"; // Mac
    //inputStr = "a\r\n\r\nb"; // Windows
    //inputStr = "a\n\nb"; // Unix

    String patternStr = "(?<=(\r\n|\r|\n))([ \\t]*$)+";

    String[] paras = Pattern.compile(patternStr, Pattern.MULTILINE).split(inputStr);

    for (int i = 0; i < paras.length; i++) {
      String paragraph = paras[i];
    }
  }
}

 

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