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- jQuery.fn.filterByText = function(textbox) {
- return this.each(function() {
- var select = this;
- var options = [];
- $(select).find('option').each(function() {
- options.push({
- value: $(this).val(),
- text: $(this).text()
- });
- });
- $(select).data('options', options);
- $(textbox).bind('change keyup', function() {
- var options = $(select).empty().data('options');
- var search = $.trim($(this).val());
- var regex = new RegExp(search, "gi");
- $.each(options, function(i) {
- var option = options[i];
- if (option.text.match(regex) !== null) {
- $(select).append(
- $('<option>').text(option.text).val(option.value)
- );
- }
- });
- });
- });
- };
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