Remove Lines That Don't Contain Specific Text

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Description	This macro searches text line by line, and removes any line that doesn't contain "google."
Language	C#
Minimum Version	4.2+
Created By	Thomas Malloch (BFS)
Contributors	-
Date Created	Dec 17, 2015
Date Last Modified	Dec 17, 2015

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using System; using System.Text; public static class ClipboardFusionHelper { public static string ProcessText(string text) { //make sure all of the line breaks are the same //replace CRLF with LF text = text.Replace(Environment.NewLine, "\n"); //replace CR with LF text = text.Replace("\r", "\n"); //create a variable to store the edited text StringBuilder builder = new StringBuilder(); //split the text up by the LF character ('\n') and loop through it foreach(string line in text.Split(new char[]{'\n'}, StringSplitOptions.RemoveEmptyEntries)) { //if the line doesn't have the string "google" in it, ignore the line if(line.IndexOf("google", StringComparison.OrdinalIgnoreCase) == -1) continue; //add the line to the variable builder.AppendLine(line); } //return all of the lines that contain "google" return builder.ToString(); } }