https://www.youtube.com/watch?v=g415vgMnFT8&list=UUhwKlOVR041tngjerWxVccw
RegexDemo1.java
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
*
* Replacement Methods
*
*/
public class RegexDemo1
{
public static void main(String[] args)
{
Pattern pattern = Pattern.compile("dog");
Matcher matcher = pattern
.matcher("dogs are domestic animals, dogs are friendly");
/*
* Replacement methods are useful to replace text in an input
* string. The common ones are replaceFirst and replaceAll.
*
* The replaceFirst and replaceAll methods replace the text
* that matches a given regular expression. As their names
* indicate, replaceFirst replaces the first occurrence, and
* replaceAll replaces all occurrences.
*/
String newStr = matcher.replaceFirst("cat");
System.out.println(newStr);
}
}
import java.util.regex.Pattern;
/**
*
* Replacement Methods
*
*/
public class RegexDemo1
{
public static void main(String[] args)
{
Pattern pattern = Pattern.compile("dog");
Matcher matcher = pattern
.matcher("dogs are domestic animals, dogs are friendly");
/*
* Replacement methods are useful to replace text in an input
* string. The common ones are replaceFirst and replaceAll.
*
* The replaceFirst and replaceAll methods replace the text
* that matches a given regular expression. As their names
* indicate, replaceFirst replaces the first occurrence, and
* replaceAll replaces all occurrences.
*/
String newStr = matcher.replaceFirst("cat");
System.out.println(newStr);
}
}
Output
cats are domestic animals, dogs are friendly
RegexDemo2.java
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
*
* Replacement Methods
*
*/
public class RegexDemo2
{
public static void main(String[] args)
{
Pattern pattern = Pattern.compile("dog");
Matcher matcher = pattern
.matcher("dogs are domestic animals, dogs are friendly");
/*
* Replacement methods are useful to replace text in an input
* string. The common ones are replaceFirst and replaceAll.
*
* The replaceFirst and replaceAll methods replace the text
* that matches a given regular expression. As their names
* indicate, replaceFirst replaces the first occurrence, and
* replaceAll replaces all occurrences.
*/
String newStr = matcher.replaceAll("cat");
System.out.println(newStr);
}
}
import java.util.regex.Pattern;
/**
*
* Replacement Methods
*
*/
public class RegexDemo2
{
public static void main(String[] args)
{
Pattern pattern = Pattern.compile("dog");
Matcher matcher = pattern
.matcher("dogs are domestic animals, dogs are friendly");
/*
* Replacement methods are useful to replace text in an input
* string. The common ones are replaceFirst and replaceAll.
*
* The replaceFirst and replaceAll methods replace the text
* that matches a given regular expression. As their names
* indicate, replaceFirst replaces the first occurrence, and
* replaceAll replaces all occurrences.
*/
String newStr = matcher.replaceAll("cat");
System.out.println(newStr);
}
}
Output
cats are domestic animals, cats are friendly
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/RegexDemo_replacement_methods_dog_cat.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/RegexDemo_replacement_methods_dog_cat
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/7d1a1b8046fa2c6f340631d1f5b0f99be87e7675/BasicJava/RegexDemo_replacement_methods_dog_cat/?at=master
See also:
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