I have written a css file
.atleastTwoChars:after {
content: "2*";
float: left;
width: 16px;
height: 14px;
border: 0;
margin: 2px 3px 0px 3px;
color: red;
}
I have used like this
<nobr>
<input type="hidden"
name="ctl00$objContentPageTag$spzContactInformation$txt_sContactZipCode$objHidden"
id="ctl00_objContentPageTag_spzContactInformation_txt_sContactZipCode_objHidden" value="0">
<input name="ctl00$objContentPageTag$spzContactInformation$txt_sContactZipCode$objTextBox"
type="text"
id="ctl00_objContentPageTag_spzContactInformation_txt_sContactZipCode_objTextBox"
class="xqh_LookUpTextBox_Edit">
<span id="ctl00_objContentPageTag_spzContactInformation_txt_sContactZipCode_spanImgMandatory"
class="atleastTwoChars">
</span>
</nobr>
JavaScript:
$('#ctl00_objContentPageTag_spzContactInformation_txt_sContactZipCode_spanImgMandatory')
.removeClass("xqh_LookUpTextBox_ImgMandatory")
.addClass("atleastTwoChars");
$('img[id*="txt_sContactZipCode_imgMandatory"]').remove();
problem: content (2*) should be displayed at the end of the text box but it is displaying at the start like this.

Remove the
float: right;from your CSS: JS Fiddle demo.Incidentally, according to W3,
nobr:Reference: