// *** TRIM ***
String.prototype.trim = function() {
    return this.replace(/^\s+|\s+$/g, '');
}

// *** REPLACE ALL ***
// Replaces all instances of the given substring.
String.prototype.replaceAll = function(
	strTarget, // The substring you want to replace
	strSubString // The string you want to replace in.
	) {
    var strText = this;
    var intIndexOfMatch = strText.indexOf(strTarget);

    // Keep looping while an instance of the target string
    // still exists in the string.
    while (intIndexOfMatch != -1) {
        // Relace out the current instance.
        strText = strText.replace(strTarget, strSubString)

        // Get the index of any next matching substring.
        intIndexOfMatch = strText.indexOf(strTarget);
    }

    // Return the updated string with ALL the target strings
    // replaced out with the new substring.
    return (strText);
}

// *** ENDS WITH ***
String.prototype.endsWith = function(suffix) {
    var startPos = this.length - suffix.length;
    if (startPos < 0) {
        return false;
    }
    return (this.lastIndexOf(suffix, startPos) == startPos);
};

// *** FORMAT ***
function _StringFormatInline() {
    var txt = this;
    for (var i = 0; i < arguments.length; i++) {
        var exp = new RegExp('\\{' + (i) + '\\}', 'gm');
        txt = txt.replace(exp, arguments[i]);
    }
    return txt;
}
function _StringFormatStatic() {
    for (var i = 1; i < arguments.length; i++) {
        var exp = new RegExp('\\{' + (i - 1) + '\\}', 'gm');
        arguments[0] = arguments[0].replace(exp, arguments[i]);
    }
    return arguments[0];
}
if (!String.prototype.format) {
    String.prototype.format = _StringFormatInline;
}
if (!String.format) {
    String.format = _StringFormatStatic;
}
