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Editorial Team
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Asked: 2026-05-25T01:45:27+00:00

this is my goal numbers from the three digits to 9 digits . for

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this is my goal numbers from the three digits to 9 digits. for example

Valid options

175
1.250
14.365
145.985
1.562.745
17.487.984
999.999.999

Now this is the regular expression that i develop

/^\d{1,3}\.\d{1,3}\.\d{1,3}$/

My problem it’s that this is accepting this values 

176.57.117 <---- this is not valid value
176.257.7 <---- this is not valid value
176.257.17 <---- this is not valid value

Thanks for your help

UPDATE
I’m trying to make a regular expression that validates positive natural numbers from three digits to 9 digits and separates the thousand unit and the million unit with a point

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1 Answer

  1. Editorial Team
    /^\d{1,3}(\.\d{3}(\.\d{3})?)?$/

    What you really want is 1 to 3 digits possibly followed by 1 or 2 additional sets of three digits. Your original reg-ex just said “3 sets of 1-3 digits” which isn’t really what you want. It also would have failed to accept your first several valid examples since they had less than three sets of digits.

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