.NET (Core and Framework)

Regex reDB = new Regex("<%[^(%>)]*%>");<br />
Match match = reDB.Match(FileContent);<br />
int initialText = 0;<br />
<br />
StringBuilder builder = new StringBuilder();<br />
<br />
while (match.Success)<br />
{<br />
	// Now, scan inside ASP code to see if http is present.<br />
	string ActivePart = match.Value;<br />
<br />
	// Now, in the active part, try to find http or https.  We know that<br />
	// it's under quotations at this point<br />
	Regex reURL = new Regex("(http\\:\\/\\/)*(https\\:\\/\\/)*www.company.com");<br />
	MatchCollection URLs = reURL.Matches(ActivePart);<br />
<br />
	for(int j = 0; j < URLs.Count; j++)<br />
	{<br />
		builder.Append(FileContent.Substring(initialText, match.Index - initialText));<br />
		if( URLs[j].Value.IndexOf("https") == 0)<br />
		{<br />
			builder.Append("\" + BASESECUREURL + \"");<br />
		}<br />
		else<br />
		{<br />
			builder.Append("\" + BASEURL + \"");<br />
		}<br />
		initialText = URLs[j].Index + URLs[j].Length;<br />
	}<br />
	match = match.NextMatch();<br />
}<br />
builder.Append(FileContent.Substring(initialText));<br />
return builder.ToString();

public class MyForm : Form 
{ 
    public MyForm() 
    { 
        this.extraColor = Color.Red; 
        this.extraValue = 0; 
        this.layerData = new LayerData(); 
    } 

    public Color ExtraColor 
    { 
        get { return this.extraColor; } 
        set { this.extraColor = value; } 
    } 
    bool ShouldSerializeExtraColor() 
    { 
        Color color; 
        if (this.extraValue == 0) color = Color.Red; 
        else color = Color.Blue; 
        return !(this.extraColor == color); 
    } 

    public int ExtraValue 
    { 
        get { return this.extraValue; } 
        set { this.extraValue = value; } 
    } 
    bool ShouldSerializeExtraValue() 
    { 
        return !(this.extraValue == 0); 
    } 

    private int extraValue; 
    private Color extraColor; 
} 

public class Form1 : MyForm { ... }