free-jqGrid filterToolbar Client-side search containing of some words -

how can configure free-jqgrid (4.8) filtertoolbar search word within field?

data

1. one 2 3
2. two 3 four
3. one 4 three

search words

• "one four" , returns row 3
• "four three" , returns rows 2 , 3
• "one three" , returns rows 1 , 3
• "four" , returns rows 2 , 3

jqgrid api

    $("#list").jqgrid({     datatype: "local",     colnames: ["name"],     colmodel: [{         name: "name",         index: "name"     }],     caption: "viz test",     pager: '#pager',     search: true,     multiselect: true,     data: mydata     });      jquery("#list").jqgrid('filtertoolbar', {     searchoperators: true             }); 

this based on answer , requires free-jqgrid 4.8 , see demo on jsfiddle

colmodel: [{     name: "name",     index: "name",     searchoptions: {         sopt: ["sin", "bw", "cn", "lt", "le", "gt", "ge", "in", "ni"]     } }],       customsortoperations: {     // properties of customsortoperations defines new operations     // used in postdata.filters.rules items op peroperty     sin: {         operand: "sin", // displayed in searching toolbar                                      text: "string in", // shown in searching dialog                             // or operation menu in searching toolbar         filter: function (options) {             // called filtering on custom operation "sin"             // has following properties:             // item - item of data (exacly in mydata array)             // cmname - name of field need filtered             // searchvalue - values in input field of searching toolbar             var fielddata = options.item[options.cmname];             var words = options.searchvalue.split(" ");                              //loop thru each word in words array             $.each(words, function () {                 //search word in fielddata                 var searchresults = fielddata.search(this)                 //if not fouond                 if (searchresults < 0) {                     fielddata = "";                                         }             });              return fielddata;         }     }