Match string using regular expression without Case sensitivity

This Example describes the way to match the String using regular expression. For this we are going to make program named Matching_Casesensitive.java.

Match string using regular expression without Case sensitivity

     

This Example describes the way to match the String using regular expression. For this we are going to make program named Matching_Casesensitive.java. The steps involved in program Matching_Casesensitive.java are described below:-

String regex="^java":-Defining regression as string. Here (^java) means all the words which are named as java .

Pattern.CASE_INSENSITIVE| Pattern.MULTILINE:-This enables the pattern to match case insensitive. The word can either be in caps or not.

Matching_Casesensitive.java

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Matching_Casesensitive {

  public static void main(String[] args) {
 
  String regex="^java";
 Pattern pattern = Pattern.compile(regex,
  Pattern.CASE_INSENSITIVE| Pattern.MULTILINE);
 String text="java has classes\n" 
 +"Java has methods\n"
  "JAVA have regular expressions\n"
  "Regular expressions are in Java";
 System.out.println("Words from the Text is:-");
  System.out.println(text);
  System.out.println("========================");
 Matcher m = pattern.matcher(text);
  
 System.out.println("Finded words from the Text is:-");
 while (m.find())
  System.out.println(m.group());
  }}

Output of the program:-

Words from the Text is:-
java has classes
Java has methods
JAVA have regular expressions
Regular expressions are in Java
========================
Finded words from the Text is:-
java
Java
JAVA


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Match string using regular expression without Case sensitivity

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