Decimal Digit Character: \d : Regular Expressions « Development « VB.Net

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VB.Net » Development » Regular ExpressionsScreenshots 
Decimal Digit Character: \d
  

Imports System.Text.RegularExpressions

Module Example
   Public Sub Main()
      Dim pattern As String = "^(\(*\d{3}\)*[\s-])*\d{3}-\d{4}$"
      Dim inputs() As String = { "111 111-1111", "222-2222", "222 333-444", _
                                 "212-111-1111", "01 999-9999" }

      For Each input As String In inputs
         If Regex.IsMatch(input, pattern) Then 
            Console.WriteLine(input + ": matched")
         Else
            Console.WriteLine(input + ": match failed")
         End If   
      Next
   End Sub
End Module

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