<select id=SomeDropdown>
  <option value="a'b]<p>">a'b]<p></option>
  <option value="easy">easy</option>
<select>

$("#SomeDropdown >option[value='a''b]<p>']");

$("#SomeDropdown >option[value='a'b]<p>']");

#SomeDropdown >option[value='a'b]<p>']

$("#SomeDropdown >option[value='a\'b]<p>']")

(['"]*)(.*?)3|)s*]

var select= document.getElementById('SomeDropdown');
for (var i= select.options.length; i-->0;) {
    if (select.options[i].value=="a'b]<p>") {
        // do something with option
}   }

str.replace(&#47;(&#91; !"#$%&&#39;()*+,.&#47;:;<=>?@&#91;\&#93;^`{|}~&#93;)&#47;g,&#39;\\$1&#39;)

var select= document.getElementById('SomeDropdown');
for (var i= select.options.length; i-->0;) {
	if (select.options[i].value=="a'b]<p>") {
		alert('found it');
	}
}

var select= document.getElementById('SomeDropdown');
for (var i= select.options.length; i-->0;) {
	if (select.options[i].value=="a'b]<p>") {
		alert('found it');
	}
}

function html_entity_decode(str) {
    var decoder = document.createElement('textarea');
    decoder.innerHTML = str;
    return decoder.value;
}

var srcValue = html_entity_decode("a'b]<p>");
var select= document.getElementById('SomeDropdown');
for (var i= select.options.length; i-->0;) {
    if (select.options[i].value == srcValue) {
    	alert('found it');
    }
}

var srcValue = html_entity_decode("a'b]<p>");
$($('#SomeDropdown').attr('options')).each(function(){
    if (this.value == srcValue)
    {
    	$(this).remove();
    }
});

jQuery.fn.removeByValue = function( val )
{
    var decoder = document.createElement('textarea');
    decoder.innerHTML = val;
    var srcValue = decoder.value;

    $( $(this)[0].options ).each(function(){
    	if (this.value == srcValue){
    		$(this).remove();
    	}
    });

    return this;
};

$('#SomeDropdown').removeByValue("a'b]<p>");