Java/Regular Expressions/Paragraph

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Parsing a String into Paragraphs Using a Regular Expression

   <source lang="java">

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.rupile(patternStr, Pattern.MULTILINE).split(inputStr);
   for (int i = 0; i < paras.length; i++) {
     String paragraph = paras[i];
   }
 }

}

</source>
   
  
 
  



Reading Paragraphs from a String Using a Regular Expression

   <source lang="java">

import java.util.regex.Matcher; 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 = "(^.*\\S+.*$)+";
   Pattern pattern = Pattern.rupile(patternStr, Pattern.MULTILINE);
   Matcher matcher = pattern.matcher(inputStr);
   while (matcher.find()) {
     String paragraph = matcher.group();
   }
 }

}

</source>