Simple filter over collection

helper.js

Template.exerciseList.events({
    "keyup .js-exercise-text-search": function (ev, templ) {
        Session.set("ExerciseListFilter", {"name": {$regex: ev.currentTarget.value, $options: 'i'}});
    }

});


Template.exerciseList.helpers({
    exercises: function () {
        Session.set("ExerciseListFilter", {});
        return TP.Collections.Exercises.find(Session.get("ExerciseListFilter"));
    }

});

template.html

<template name="exerciseList">
     <form name="exercise-list-search" class="js-exercise-list-search" role="form">
                <input type="text" class="js-exercise-text-search form-control" />
     </form>

                {{#each exercises}}

                {{> exerciseListItem}}

                {{/each}}
</template>