System.Text.RegularExpressions - Regular expression to extract the year (1900

//.NET Regex.Match Online Tester: www.systemtextregularexpressions.com

//Namespace
using System.Text.RegularExpressions;

//Regex Pattern
string pattern = @"\b((19|20)\d{2})\b";

//Regex example #1
Regex r = new Regex(@"\b((19|20)\d{2})\b");
Match m1 = r.Match("input text");
MatchCollection mc1 = r.Matches("input text");

//Regex example #2
Match m2 = Regex.Match("input text", @"\b((19|20)\d{2})\b");
MatchCollection mc2 = Regex.Matches("input text", @"\b((19|20)\d{2})\b");

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'.NET Regex.Match Online Tester: www.systemtextregularexpressions.com

'Namespace
Imports System.Text.RegularExpressions

'Regex Pattern
Dim pattern As String = "\b((19|20)\d{2})\b"

'Regex example #1
Dim r As Regex = New Regex("\b((19|20)\d{2})\b")
Dim m1 As Match = r.Match("input text")
Dim mc As MatchCollection = r.Matches("input text")

'Regex example #2
Dim m2 As Match = Regex.Match("input text", "\b((19|20)\d{2})\b")
Dim mc2 As MatchCollection = Regex.Matches("input text", "\b((19|20)\d{2})\b")

System.Text.RegularExpressions .NET Regex.Match

Regular expression to extract the year (1900 - 2099) from a string

IsMatch=true

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