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Home/ Questions/Q 7181491
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T17:34:07+00:00 2026-05-28T17:34:07+00:00

I would like to a regular expression to use with javascript replace function that

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I would like to a regular expression to use with javascript replace function that separe with a space each 2 number I type

Input Ex.: 01020304050607

Output Ex.: 01 02 03 04 05 06 07

How could I do it?

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  1. Editorial Team
    Editorial Team
    2026-05-28T17:34:08+00:00Added an answer on May 28, 2026 at 5:34 pm

    /(\d{2})/g should do the trick. Example:

    > "021651984984984984".replace(/(\d{2})/g, "$1 ").trim()
    "02 16 51 98 49 84 98 49 84"
    
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