using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(<p>\s*<\/p>\s*)+";
string substitution = @"<p><br/></p>";
string input = @"ssdfsdfsdf<p> </p> <p></p> <p> </p><p> </p><p> </p><p> </p>sd<p> </p>fsdfs
ssdfsdfsd<p> </p><p></p> sdfssfd dfsd
";
RegexOptions options = RegexOptions.CultureInvariant | RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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