alh3im

// Config
{
    "index" : {
        "analysis" : {
            "filter" : {
              "my_ngram" : {
                "max_gram" : 20,
                "min_gram" : 2,
                "type" : "nGram"
              }

alh3im

$strLength = mb_strlen($suggestString, UTF8);
$strPos    = mb_strpos(mb_strtolower($whatYouSuggest), $whatYouType, 0, UTF8);
$label     = mb_substr($whatYouSuggest, 0, $strPos, UTF8).
           '<em>'.mb_substr($whatYouSuggest, $strPos, $strLength, UTF8).'</em>'.
            mb_substr($whatYouSuggest, $strPos + $strLength, mb_strlen($whatYouSuggest, UTF8), UTF8);

alh3im

curl -XGET http://localhost:9200/devalexbk10/usr/_search?pretty=true -d '
{
	"query":{
		"filtered":{
			"query":{
				"query_string":{
					"default_field":"title",
					"default_operator":"AND",
					"query":"John"
					}