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/**
* When search a table with accented characters, it can be frustrating to have
* an input such as _Zurich_ not match _Zürich_ in the table (`u !== ü`). This
* type based search plug-in replaces the built-in string formatter in
* DataTables with a function that will remove replace the accented characters
* with their unaccented counterparts for fast and easy filtering.
*
* Note that with the accented characters being replaced, a search input using
* accented characters will no longer match. The second example below shows
* how the function can be used to remove accents from the search input as well,
* to mitigate this problem.
*
* @summary Replace accented characters with unaccented counterparts
* @name Accent neutralise
* @author Allan Jardine
*
* @example
* $(document).ready(function() {
* $('#example').dataTable();
* } );
*
* @example
* $(document).ready(function() {
* var table = $('#example').dataTable();
*
* // Remove accented character from search input as well
* $('#myInput').keyup( function () {
* table
* .search(
* jQuery.fn.DataTable.ext.type.search.string( this.value )
* )
* .draw()
* } );
* } );
*/
(function(){
function removeAccents ( data ) {
return data
.replace( /έ/g, 'ε' )
.replace( /[ύϋΰ]/g, 'υ' )
.replace( /ό/g, 'ο' )
.replace( /ώ/g, 'ω' )
.replace( /ά/g, 'α' )
.replace( /[ίϊΐ]/g, 'ι' )
.replace( /ή/g, 'η' )
.replace( /\n/g, ' ' )
.replace( /á/g, 'a' )
.replace( /é/g, 'e' )
.replace( /í/g, 'i' )
.replace( /ó/g, 'o' )
.replace( /ú/g, 'u' )
.replace( /ê/g, 'e' )
.replace( /î/g, 'i' )
.replace( /ô/g, 'o' )
.replace( /è/g, 'e' )
.replace( /ï/g, 'i' )
.replace( /ü/g, 'u' )
.replace( /ã/g, 'a' )
.replace( /õ/g, 'o' )
.replace( /ç/g, 'c' )
.replace( /ì/g, 'i' );
}
var searchType = jQuery.fn.DataTable.ext.type.search;
searchType.string = function ( data ) {
return ! data ?
'' :
typeof data === 'string' ?
removeAccents( data ) :
data;
};
searchType.html = function ( data ) {
return ! data ?
'' :
typeof data === 'string' ?
removeAccents( data.replace( /<.*?>/g, '' ) ) :
data;
};
}());
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