using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"([\s\S]*?)(src=['""])\/uploads\/images\/.+?(\..+?)(['""]>[\s\S]*?src=['""])\/uploads\/images\/.+?\..+?(['""]>[\s\S]*?src=['""])\/uploads\/images\/.+?\..+?(['""]>[\s\S]*)";
string substitution = @"$1$2some/value/one$3$4alue/SomethingElse\.png$5Value3$6";
string input = @"some text with <img src='/uploads/images/5d0554.jpeg'> and
<img src='/uploads/images/507a.jpeg'> or <img src='/uploads/images/0a74.jpeg'> in it.";
RegexOptions options = 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