using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\s*ALERT:(?:Rs\.?|INR)(?:\s*)([0-9,]+(?:\.[0-9]+)?|\.[0-9]+)\s+spent\svia\s+[CcRrEeDdiITt]+\s+[CaCArRdD]+\s+([xX0-9]+)\s+at\s+([a-zA-Z0-9.-@\s]+)\s+on\s+(\d{4}-\d{2}-\d{2}:\d{2}:\d{2}:\d{2})\s+without\s+PIN\/OTP\.[NOTnot]+\s+you\?\s*Call\s+\d+.\s*";
string input = @"ALERT:You've spent Rs.234.82 on CREDIT Card xx7498 at GODADDY61117 in MUMBAI on 2019-10-04:09:11:10.Not you?Call 18002586161.
ALERT:Rs.5633.31 spent via CREDIT Card xx7498 at AMAZON1258399 on 2019-10-05:18:09:15 without PIN/OTP.Not you?Call 18002586161.
on\s+[CcRrEeDdiITt]+\s+[CaCArRdD]+\s+([xX0-9]+)\s+at\s+([a-zA-Z0-9.-@\s]+)\s+on\s+(\d{4}-\d{2}-\d{2}:\d{2}:\d{2}:\d{2}).[NOTnot]+\s+you\?\s*Call\s+\d+.\s*";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnoreCase;
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