如何在转换为HTML时使用XSLT在xml节点的字符串中加粗特定子字符串

I have to render a certain substring in the string of a XML node bold and change the color in html file while transforming a XML file using XSLT. I am using Vi sual studio 12.0 and not able to use XSLT 2.0 features like tokenize(),analyze-string() etc and I am new to XSLT.I have to render a certain substring in the str