highlight text in a variable using RegExp and span

Question

I have a div of text. I want to highlight some of this text stored in a variable using RegExp and span. the text to be highlighted is unknown at run time.

var t = $("#highlightOutput").html(); //sentence
	var s = t.search(hStr);//what shd be replaced
	var query = new RegExp(s, "g");
	console.log(s);
	t = t.replace(query, "<span class='highlight'>"+s+ "</span>"); //problem is here
	//how to write a regex code to highlight text stored in s.
	$("#highlightOutput").html(t);

user3094403 · Accepted Answer · 2015-04-22 16:27:06Z

1

search returns an index, but you want actual text. Use match for that: this method returns an array of matches, and you can take the first one.

var s = t.match(hStr)[0];

answered Apr 22, 2015 at 16:27

user3094403

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