using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^.*?(?:([-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?).*|$)";
string substitution = @"\1";
string input = @".&.
0.0119885482338&.&.
.&2.25880593895
.&.&.&.&.&.&.&.
.&0.295142083575&.
0.708323350364
.&.&0.193766679861
.&.&.&.&7.65239874523E-4&.&.";
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