ActionScript - Code Samples

Strings

//Trim a string:
trim = function(txt_str) {
	while (txt_str.charAt(0) == " ") {
		txt_str = txt_str.substring(1, txt_str.length);
	}
	while (txt_str.charAt(txt_str.length-1) == " ") {
		txt_str = txt_str.substring(0, txt_str.length-1);
	}
	// trace(txt_str);
	return txt_str;
};       

//Trim new line characters:
trimNewline = function(text_str) {
	var temp_array = text_str.split(chr(13)+chr(10));
	var temp1_array = [];
	for (i=0; i < temp_array.length; i++) {
		if (trim(temp_array[i]) != "") {
			temp1_array.push(trim(temp_array[i]));
		}
	}
	var new_str = temp1_array.join(" ");
	return new_str;
};
};                

// find and replace text
findAndReplace = function (input, stringToFind, stringToInsert) {
	var output = "";
	var len = stringToFind.length;
	while (input.indexOf(stringToFind) != -1) {
		currOffset = input.indexOf(stringToFind);
		output = output+input.substring(0, currOffset);
		output = output+stringToInsert;
		input = input.substr(currOffset+len, input.length);
	}
	output = output+input;
	trace(output);
	return (output);
};
// replace 'x' with '*+*' in the string 'x-x-x-x-x-x-x'.// replace 'x' with '*+*' in the string 'x-x-x-x-x-x-x'.
findAndReplace("x-x-x-x-x-x-x", "x", "*+*");