jsoup is not able find the label with parenthesis

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Java

I am not able retrive the label in a html file when the label is in paraenthesis like (nct)Number. I am using jsoup 1.6 jar

My code is

public Element findElementByLabel(Document htmlDocObj, String label, String elType) throws AbstractScriptException
	{
		if(elType.equalsIgnoreCase("img"))
		{
			return findIMG(htmlDocObj, label, elType);
		}
		
		Elements els = htmlDocObj.getElementsByAttributeValueContaining("value", label);

Can anyone help me to find the label element using jsoup if the label is in getElementsByAttributeValueContaining

Thanks in Advance