Use Regex to match : Regular Expressions « Development « VB.Net

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VB.Net » Development » Regular ExpressionsScreenshots 
Use Regex to match
Use Regex to match
   
Imports System
Imports System.Text
Imports System.Text.RegularExpressions


Public Class MainClass
    
    Shared Sub Main()
             Dim string1 As String = "This is a test string"
             Dim theReg As New Regex("(\S+)\s")

             Dim theMatches As MatchCollection = theReg.Matches(string1)

             Dim theMatch As Match
             For Each theMatch In theMatches

                 Console.WriteLine("theMatch.Length: {0}", _
                    theMatch.Length)

                 If theMatch.Length <> 0 Then
                     Console.WriteLine("theMatch: {0}", _
                        theMatch.ToString(  ))
                 End If

             Next theMatch
           
   End Sub

End Class


           
         
    
    
  
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22.\w matches any word character.
23.(\w) matches a word character. This is the first capturing group.
24.\1 match the value of the first capture.
25.\s matches any white-space character.
26.\b: Begin the match at a word boundary.
27.\w+: Match one or more word characters.
28.(e)*: Match an "e" either zero or one time.
29.(\s|$) Match either a whitespace character or the end of the input string.
30.^: Begin the match at the beginning of the input string.
31.\D: Match a non-digit character.
32.\d{1,5} Matches from one to five decimal digits.
33.\D* matches zero or one non-decimal character.
34.$ Matches the end of the input string.
35.\S matches any non-white-space character.
36.\b: Begin the match at a word boundary.
37.(\S+): matches one or more non-white-space characters. This is the first capturing group.
38.\s*: matches zero or one white-space character.
39.Regular expression for class and group
40.Decimal Digit Character: \d
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42.Parse Image tags in a HTML file
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