Regex validation questions with strings and numbers

Question

Hello,

Our group is developing surveys for a large study, and we give each participant an ID number. For new participants, the format is "AJA-XXXX" where the X's are digits 0-9. For visiting participants, the format is "AJA-XXXX.X." Here are some ID numbers that fit:

> * 1. AJA-2001
> * 2. AJA-2163
> * 3. AJA-2003.1
> * 4. AJA-2002.2
>

However, we don't want the following:
> * aja-2002  (first part not capitalized)
> * AJA3012 (no dash)
> * AJA-2009. (a period, but no digit afterwards)
> * AJA-1008.01 (two digits after the period)
> 
After some googling, I came up with ``[T][R][T]\-\d{4}[\.]?[\d{1}]?`` but it didn't work :/

I would be extremely grateful for any help or suggestions. Thanks!

TomG · Accepted Answer

Try this regex:^AJA\-[0-9]{4}(\.[0-9])?$One issue is that Qualtrics regex validation is case insensitive.  So, you'll have to use JavaScript to convert to upper case.```Qualtrics.SurveyEngine.addOnload(function() {jQuery("#"+this.questionId+" .InputText").on('blur', function() {        this.value = this.value.toUpperCase();});});```

PraDeepKotian_XM · Answer

hi @sajeevan ,Regex for this foramt e.g AJA-2001.1: /AJA-[0-9]{4}.[0-9]{1}/gORRegex for this foramt e.g AJA-2001: /AJA-[0-9]{4}/gYou can use this regex in custom validation options.!

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