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How to use Regex set up an unique survey ID?
Hello community!
I need to set up a validation of a Text entry box for a specific format. I ask participants to create their own unique survey ID for a longitude study. The requirements of the participant ID is below:
"Using last 4 digits of your mobile number PLUS initial of your mother’s maiden name"
Example: (mobile number: 04051314516, mother’s maiden name: Julie Smith) => 4516JS
I want to make sure people put exactly 4 digits plus 2 characters in to the text entry box. Anyone know how to do this?
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