search a text FILE BY FIRST CHAR OF WORD

<textarea cols=70 rows=20>
on (release) {
	// Firstly, clear the last search by making output nothing.
	output = "";

	// Split searchable text into our array by full stop.
	sentences = searchtext.split(". ");
	// 
	// Set up loop to search through each sentence for each of the search items.
	// Set "count" to 0 so we can loop through the search items and go through each
	// item of our array by using count.
	count = "0";
	
	// Split up the searchitems  into an array by space, commas could be used instead.
	searchitems = input_t.split(" ");
	
	// Get the length of out new arrays
	noofsearchitems = searchitems.length;
	noofsentences = sentences.length;
	
	// Here is our first while loop, which will look until count is no longer
	// equal less than the number of searchitems. This loops through each of the
	// items the user has entered to search for.
	while (count<noofsearchitems) {
		// Trace is drawn on screen when you test in flash - This is for debugging.
		trace("Search: "+searchitems[_root['count']]);
		// Set count 2 to 0 - This must happen for each search of the sentences
		// otherwise you will not search for each letter entered.
		count2 = "0";
		// Our second while loop checks through each of the sentences.
		while (count2<noofsentences) {
			// Another trace for debugging.
			trace("Sen: "+sentences[_root['count2']]);
			// This compares the first character of the sentence in the array
			// and compares it to the searchitem.
			// Count2 and count will increment through each loop and so the comparison
			// will change each time.
			if (sentences[_root['count2']].charAt(0) == searchitems[_root['count']]) {
				// If a match is found then the particular sentence is added 
				// to the output box
				output += sentences[_root['count2']] + "\n";
			}
			// Now we increment count2 for our next loop
			count2++;
		}
		// Now we increment count for our next loop
		count++;
	}
	// This outputs count so you know that each item you entered has been searched for
	// when debugging.
	trace("Count=" +count);
}
</textarea>