Matching Character Ranges

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    Character classes in regex are incredibly useful for matching specific groups of characters. They simplify patterns and make matching ranges or sets of characters so much easier! Iplwin registration

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    JavaScript

    var Regex_Pattern = /^[a-z][1-9][^a-z][^A-Z][A-Z].*$/;

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    Java 15

    import java.io.*;
    import java.util.*;
    import java.util.regex.Pattern;
    import java.util.regex.Matcher;
    public class Solution {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            Pattern pattern = Pattern.compile("^[a-z][1-9][^a-z][^A-Z][A-Z]");
            Matcher matcher = pattern.matcher(scanner.nextLine());
            System.out.println(matcher.find());
        }
    }
    
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    JavaScript

    var Regex_Pattern = /^[a-z][1-Infinity][^a-z][^A-Z][A-Z]/;
    
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