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Asked: 2026-06-13T00:56:37+00:00

Recently I have created a regex, for my PHP code which allows only the

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Recently I have created a regex, for my PHP code which allows only the letters (including special characters plus spaces), but now I’m having a problem with converting it (?) into the JavaScript compatible regex, here it is: /^[\s\p{L}]+$/u, the problem is the /u modifier at the end of the regex pattern, as the JavaScript doesn’t allow such flag.

How can I rewrite this, so it will work in the JavaScript as well?

Is there something to allow only Polish characters: Ł, Ą, Ś, Ć, …

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1 Answer

  1. Editorial Team

    The /u modifier is for unicode support.
    Support for it was added to JavaScript in ES2015.

    Read http://stackoverflow.com/questions/280712/javascript-unicode to learn more information about unicode in regex with JavaScript.

    Polish characters:

    Ą \u0104
Ć \u0106
Ę \u0118
Ł \u0141
Ń \u0143
Ó \u00D3
Ś \u015A
Ź \u0179
Ż \u017B
ą \u0105
ć \u0107
ę \u0119
ł \u0142
ń \u0144
ó \u00F3
ś \u015B
ź \u017A
ż \u017C

    All special Polish characters:

    [\u0104\u0106\u0118\u0141\u0143\u00D3\u015A\u0179\u017B\u0105\u0107\u0119\u0142\u0144\u00F3\u015B\u017A\u017C]
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