using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\.heart::after\s*{\s*([\w\-]+\s*:\s*[\w]+\s*;\s*)*background-color\s*:\s*pink\s*(\}|;)";
string input = @"// Solution
<style>
.heart {
position: absolute;
margin: auto;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: pink;
height: 50px;
width: 50px;
transform: rotate(-45deg);
}
.heart::after {
background-color: pink;
content: "";
border-radius: 50%;
position: absolute;
width: 50px;
height: 50px;
top: 0px;
left: 25px;
}
.heart::before {
content: "";
background-color: pink;
border-radius: 50%;
position: absolute;
width: 50px;
height: 50px;
top: -25px;
left: 0px;
}
</style>
<div class=""heart""></div>
// Correct Syntax + valid
.heart::after{
width: 100px;
color: red;
background-color: pink;
}
{}
// one liner
.heart::after{width: 100px;color:red;background-color: pink}
// Invalid Syntax - Not matching
.heart::after{
width: 1em
color: red;
background-color: pink;
height: 4;
}
.heart::after{background-color:pink;color:red;}
";
RegexOptions options = RegexOptions.Multiline;
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