Demonstrating Class Regex : Regular Expressions « Development « VB.Net

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VB.Net » Development » Regular ExpressionsScreenshots 
Demonstrating Class Regex
   
Imports System.Text.RegularExpressions
Imports System

Public Class MainClass

   Shared Sub Main()
      Dim myMatch As Match

      ' create regular expression
      Dim expression As Regex = _
         New Regex("J.*\d[0-35-9]-\d\d-\d\d")

      Dim string1 As String = "05-12-75" & _
         vbCrLf & "11-04-68" & vbCrLf & _
         "04-28-73" & vbCrLf & _
         "12-17-77"

      ' match regular expression to string and  
      ' print out all matches
      For Each myMatch In expression.Matches(string1)
         Console.WriteLine( myMatch.ToString() )
      Next
  End Sub ' Main

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.
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