CODEWITHSUNDEEP
jqueryregexfilter
Mert AKEL
Mert AKEL

Reputation: 165

Jquery regular expression search for turkish characters

I have a filter search for my data. When I type turkish characters it doesn't work. How can I modify this code?

    var $rows = $('#tableExport tr');
$('#search').keyup(function() {
    var val = '^(?=.*\\b' + $.trim($(this).val()).split(/\s+/).join('\\b)(?=.*\\b') + ').*$',
        reg = RegExp(val, 'i'),
        text;

    $rows.show().filter(function() {
        text = $(this).text().replace(/\s+/g, ' ');
        return !reg.test(text);
    }).hide();
});

These are the characters ç ,ı ,ğ, ö , ş , ü , Ç, İ , Ğ, Ö, Ş, Ü

Upvotes: 1

Views: 1653

Answers (2)

Halid
Halid

Reputation: 140

if you guys are using react or angular must try this one.

const reg = new RegExp(q.toUpperCase().replaceAll(/[İi]/ig, '[iİ]'), 'i')

q could be your object or string that comes from client.

Upvotes: 1

Wiktor Stribiżew
Wiktor Stribiżew

Reputation: 627082

Here, there are two problems: 1) \b is not Unicode aware and 2) i when used in a case insensitive pattern will only match a dotless I, not the dotted counterpart.

I suggest two scenarions: 1) whitespace boundaries, or 2) ASCII word chars + Turkish letters based boundaries.

The patterns are very similar. Here is an example of a whitespace boundary based code:

var val = '^(?=.*(?:^|\\s)(?:' + $.trim($(this).val()).split(/\s+/).join('|') + ')(?!\\S))',
    reg = RegExp(val.replace(/[İi]/ig, '[iİ]'), 'i'),

Here, the pattern looks like /^(?=.*(?:^|\s)(?:[iİ]ç|Anadolu)(?!\S))/i. Note that .replace(/[İi]/ig, '[iİ]') will allow matching dotted İ with an i.

The other approach means we need to replace \b with a lookaround that negated an ASCII word char (\w) with a Turkish letter:

var val = '^(?=.*(?:^|[^\\wçığöşüÇİĞÖŞÜ])(?:' +
    $.trim($(this).val()).split(/\s+/).map(function(x) { 
        return x.replace(/[İi]/ig, '[iİ]'); 
    }).join('|') + ')(?![\\wçığöşüÇİĞÖŞÜ]))',
    reg = RegExp(val, 'i'),

Here, the pattern will look like /^(?=.*(?:^|[^\wçığöşüÇİĞÖŞÜ])(?:[iİ]ç|Anadolu)(?![\wçığöşüÇİĞÖŞÜ]))/i and will safely match a term in between non-word or non-Turkish letters.

Upvotes: 2

Related Questions