using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
string input = @"<p style=""color: #000000; text-transform: none; letter-spacing: normal; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; word-spacing: 0px; white-space: normal; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px;"">";
string output = Regex.Replace(input, @"(?<=<p)[^>]+", "");
Console.WriteLine(output);
}
}
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