using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<=[\s_-])\d+(?:\.\d+){1,3}";
string input = @"VendorSetup-2022-05-x64-1.23.4.exe
VendorSetup-x64-1.23.4-2022-05.exe
VendorSetup-1-2-3-4.exe
VendorSetup_2022-05_1-2-3-4.exe
Vendor Setup 1.23.456Update.exe
SoftwareName-1.2.34.5-x64.msi
SoftwareName-1.2.3.4-64bit.msi
SoftwareName-64-Bit-1.2.3.4.msi
VendorName_SoftwareName_64_1.2.3_Setup.exe
NoVersion.exe";
RegexOptions options = RegexOptions.RightToLeft;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx