HTML Parser : Regular Expression « Development Class « C# / C Sharp

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C# / C Sharp » Development Class » Regular ExpressionScreenshots 
HTML Parser
 
using System;
using System.Text.RegularExpressions;
using System.IO;
using System.Text;

public class HTMLParser {
    public static void Main(String[] args) {
        FileInfo MyFile = new FileInfo(args[0].ToString());
        if (MyFile.Exists) {
            StreamReader sr = MyFile.OpenText();
            string text = sr.ReadToEnd();
            sr.Close();

            string pattern = @"<a\shref\S*/a>";
            MatchCollection patternMatches = Regex.Matches(text, pattern,
              RegexOptions.IgnoreCase);

            foreach (Match nextMatch in patternMatches) {
                Console.WriteLine(nextMatch.ToString());
            }
        else
            Console.WriteLine("The input file does not exist");
    }
}

 
Related examples in the same category
1. Multiple different delimiters
2. Single space split
3. Multiple spaces, using \"[\\s]+\"
4. Single spaces, using ()
5. Single spaces, using new Regex("( )")
6. Position and index
7. Regex and letter case
8. ((an)|(in)|(on))
9. Gr(a|e)y
10. Define groups 'ing', 'in', 'n'
11. Leading space
12. Proper case match
13. Use | to combine different case
14. IP address
15. Multiple spaces, using \" \"
16. Use regular expression to replace charsUse regular expression to replace chars
17. Use regular to replace stringsUse regular to replace strings
18. Use regular to replace wordUse regular to replace word
19. Use regular expression to replace first 3 digitsUse regular expression to replace first 3 digits
20. Use regular to split stringUse regular to split string
21. Validate first name and last name
22. Validate address
23. Validate city name
24. Validate ZIP code
25. Validate Phone Number
26. Use regular to verify a dateUse regular to verify a date
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