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Arnab Chakraborty has Published 32 Articles
Arnab Chakraborty
836 Views
ExampleLive Demoimport java.util.ArrayList; import java.util.List; import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class SearchRegex { private Pattern subPattern = Pattern.compile(SUBJECT_PATTERN); private Matcher matcher; private static final String SUBJECT_PATTERN = "(?s)Subject 1:\s(.*)Subject 2:"; public static void main(String[] args) { String d = ... Read More
Arnab Chakraborty
466 Views
ExampleLive Demoimport java.util.regex.Matcher; import java.util.regex.Pattern; public class NoRegTest { public static void main(String[] args) { String s="^fun"; Pattern pattern = Pattern.compile(s); Matcher matcher = pattern.matcher("Java is fun"); if(!matcher.find()) { System.out.println("not found"); } } }Outputnot found
Arnab Chakraborty
317 Views
How to extract a group from a Java String that contains a Regex patternimport java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexTest { public static void main(String[] args) { Pattern pattern = Pattern.compile("fun"); Matcher matcher = pattern.matcher("Java is fun"); // ... Read More
Arnab Chakraborty
3K+ Views
Exampleimport java.util.regex.*; class PatternMatcher { public static void main(String args[]) { int count = 0; // String to be scanned to find the pattern. String content = "aaa bb aaa"; String string = "aaa"; ... Read More
Arnab Chakraborty
658 Views
Exampleimport java.util.regex.*; class PatternMatch{ public static void main(String args[]) { String content = "I am a student"; String string = ".*boy.*"; boolean isMatch = Pattern.matches(string, content); System.out.println("The line contains 'boy'?"+ isMatch); } }Outputthe line contains 'boy'?falsematches()It ... Read More
Arnab Chakraborty
2K+ Views
You can solve this problem by using if-elif-else statements. And to make it like, it will ask for a valid option until the given option is on the list, we can use while loops. When the option is valid, then break the loop, otherwise, it will ask for the input ... Read More
Arnab Chakraborty
561 Views
in apache server normally python script will not run. SO you have to go httpd.conf file in apache server, inside that you will find some .php, .asp etc in a property called AddHandler, you have to put there .py. save the file and restart the server. then run your python ... Read More