java regex

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AK-47 answered on September 26, 2020 Popularity 10/10 Helpfulness 4/10

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java regex

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import java.util.regex.*;  
public class RegexExample1{  
public static void main(String args[]){  
//1st way  
Pattern p = Pattern.compile(".s");//. represents single character  
Matcher m = p.matcher("as");  
boolean b = m.matches();  
  
//2nd way  
boolean b2=Pattern.compile(".s").matcher("as").matches();  
  
//3rd way  
boolean b3 = Pattern.matches(".s", "as");  
  
System.out.println(b+" "+b2+" "+b3);  
}}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java regex

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Contributed on Sep 26 2020

AK-47

0 Answers Avg Quality 2/10

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java regex

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/*
The Java Regex or Regular Expression is an API to define a pattern for searching 
or manipulating strings.
*/

// Regex Character classes
1. [abc] ----- a, b, or c (simple class)
2. [^abc]   -- Any character except a, b, or c (negation)
3. [a-zA-Z] -- a through z or A through Z, inclusive (range)  
4. [a-d[m-p]] --  a through d, or m through p: [a-dm-p] (union) 
5. [a-z&&[def]] -- d, e, or f (intersection)
6. [a-z&&[^bc]]  -- a through z, except for b and c: [ad-z] (subtraction)
7. [a-z&&[^m-p]] -- a through z, and not m through p: [a-lq-z](subtraction)

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Popularity 10/10 Helpfulness 3/10 Language java

Source: www.javatpoint.com

Tags: java

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Contributed on Jun 18 2022

Rasel Ahmed

0 Answers Avg Quality 2/10

regex java

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package RegexMainNMD;
//NMD
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegexNMDSE {
    public static void main(String[] args) {
        String strTest = "Regex 15-05-2020, Nguyen Minh Duc 16/02/1998. Deadline 18_02_2020";
        Pattern patternDate = Pattern.compile("\\d{2}[-|/]\\d{2}[-|/]\\d{4}");
        Matcher matcher = patternDate.matcher(strTest);
         
        System.out.println("Ngày tháng năm trong chuỗi đầu vào: " + strTest +" là:");
        while(matcher.find()) {
            System.out.println(strTest.substring(matcher.start(), matcher.end()));
        }         
        String strTest2 = "15/05/2020";
        String strTest3 = "16/02/mdse";
        patternDate = Pattern.compile("^\\d{2}[-|/]\\d{2}[-|/]\\d{4}$");
        System.out.println("Chuỗi " + strTest2 + " có định dạng ngày tháng: "
                + patternDate.matcher(strTest2).matches());
         
        System.out.println("Chuỗi " + strTest3 + " có định dạng ngày tháng: "
                + patternDate.matcher(strTest3).matches());
    } 
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: codelearn.io

Tags: java

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Contributed on Jun 01 2022

Testy Termite

0 Answers Avg Quality 2/10

java regex

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

public class Main 
{
 public static void main(String[] args) 
 {
  Pattern pattern = Pattern.compile("Alex|Brian");
  Matcher matcher = pattern.matcher("Generally, Alex and Brian share a great bonding.");
  
  while (matcher.find()) {
            System.out.print("Start index: " + matcher.start());
            System.out.print(" End index: " + matcher.end() + " ");
            System.out.println(" - " + matcher.group());
        }
 }
}

Popularity 6/10 Helpfulness 3/10 Language java

Source: howtodoinjava.com

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Contributed on Aug 08 2024

Murtin

0 Answers Avg Quality 2/10

java regex

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Pattern pattern = Pattern.compile("1");
Matcher matcher = pattern.matcher("111");
while (matcher.find()) {
    System.out.println(matcher.group());
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: stackoverflow.com

Tags: java

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Contributed on Feb 25 2022

Annoying Anteater

0 Answers Avg Quality 2/10

Java Regular Expressions

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

public class Main {
  public static void main(String[] args) {
    Pattern pattern = Pattern.compile("w3schools", Pattern.CASE_INSENSITIVE);
    Matcher matcher = pattern.matcher("Visit W3Schools!");
    boolean matchFound = matcher.find();
    if(matchFound) {
      System.out.println("Match found");
    } else {
      System.out.println("Match not found");
    }
  }
}
// Outputs Match found

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: java

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Contributed on May 23 2022

naly moslih

0 Answers Avg Quality 2/10

regex java

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import java.io.*;
import java.util.regex.*;

public class testRegex {

    private static Pattern pattern;
    private static Matcher matcher;

    public static void main(String args[]) {
        pattern = Pattern.compile("Hugo");
        matcher = pattern.matcher("Hugo Etiévant");
        while(matcher.find()) {
            System.out.println("Trouvé !");
        }
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: cyberzoide.developpez.com

Tags: java

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Contributed on Feb 05 2021

0 Answers Avg Quality 2/10

regular expression java

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//Ther are three type of REGULAR EXPRESSION     
   //first
   ^(.+)@(.+)$   "^(.+)@(.+)$\""
   //second
   ^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}$
     //third
   ^[\\w!#$%&'*+/=?`{|}~^-]+(?:\\.[\\w!#$%&'*+/=?`{|}~^-]+)*@(?!-)(?:[a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: expression e

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Contributed on Jun 08 2021

Gifted Grasshopper

0 Answers Avg Quality 2/10

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