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Numeric test

An input control method to verify that a field of data contains only numeric digits.


Similar items:
(1) One digit, usually the last, of an identifying field is a mathematical function of all of the other digits in the field. This value can be calculated from the other digits in the field and compared with the check digit to verify the validity of the whole field. (2) A numeric digit that is used to verify the accuracy of a copied or transcribed number. The numeric digit is typically appended to the end of a number.
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Checking, scanning, filtering, or sanitizing input received from users (especially over the Internet) before processing the received input.
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A basic unit of data, usually part of a record that is located on an input, storage, or output microfilm. In a database, a field is a column or attribute of a table.
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The referrer header field (mistakenly spelled “referer” in the HTTP standard) is a unit of information that contains the URL of the site you are currently in. The referrer header field is sent automatically to any site you are about to visit when clicking a link. Referrer headers allow reading patterns to be studied and reverse links drawn. The address of the page might contain privacy information (such as your name or email address), or might reveal personal interests that you would rather keep private.
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To verify the identity of a user, user device, or other entity, or the integrity of data stored, transmitted, or otherwise exposed to possible unauthorized modification in an automated information system, or establish the validity of a transmitted message. To verify the identity of a user, user device, or other entity, or the integrity of data stored, transmitted, or otherwise exposed to unauthorized modification in an information system, or to establish the validity of a transmission.
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