How to verify proper tax id or ssn?

Explorer ,
Apr 15, 2022 Apr 15, 2022

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I have a "TaxID" field on a form and I currently validate it with this script:

if (event.value) {
    if (/^\d{9}$/.test(event.value)==false) {
        app.alert("Invalid Tax ID!");
        event.rc = false;
    }
}

Which just checks to see if there are 9 digits entered.

I also want to allow entry with hyphens for either a TaxID (95-1234567) or SSN (123-45-6789) with the hyphens in either of the right places. How do I need to modify this script? (I really don't understand Regular Expressions).

TOPICS
How to , JavaScript , PDF forms

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correct answers 1 Correct answer

Advocate , Apr 15, 2022 Apr 15, 2022

Hello @Terry Wysocki,

 

Give this a try...

if (event.value) {
    if (/^\d{9}$/.test(event.value)==false && (/^\d{2}\-\d{7}$/.test(event.value)==false && (/^\d{3}\-\d{2}\-\d{4}$/.test(event.value)==false))) {
        app.alert("Invalid Tax ID!");
        event.rc = false;
    }
}

 

Regards,

Mike

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Advocate ,
Apr 15, 2022 Apr 15, 2022

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Hello @Terry Wysocki,

 

Give this a try...

if (event.value) {
    if (/^\d{9}$/.test(event.value)==false && (/^\d{2}\-\d{7}$/.test(event.value)==false && (/^\d{3}\-\d{2}\-\d{4}$/.test(event.value)==false))) {
        app.alert("Invalid Tax ID!");
        event.rc = false;
    }
}

 

Regards,

Mike

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Explorer ,
Apr 15, 2022 Apr 15, 2022

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Perfect, Mike! Works like a charm (But I still have to study RegEx!)

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