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In soccer, the goal keeper guards his base and makes sure he stops rogue balls before they fly past him. This is exactly the principle behind the Form Field Validation Tool.

This online utility will give you the means to filter some of the most common data entry errors even before they are submitted, thus enabling the user to have a chance to make the necessary corrections. The intuitive interface makes it user-friendly. With its cut-and-paste simplicity, no programming experience is required.

There are four types of validations possible. One of the most useful is specifying the minimum and maximum character lengths permissible. By setting the minimum to 1, you can make sure a field is not left blank (a required field). Another one that’s often used is email validation, which makes certain that the structure of the email address entered conforms to standards. The third type limits the exact number of digits possible for a given field, which is useful for phone numbers, zip codes or dates. Optional characters can also be ignored so as to not count against this limit. Lastly, a value range can be defined to make sure the field entries are within acceptable quantities. For example, an age field can be arranged to fall only between 0 and 120, with other values considered extraneous. A customized error message can also be flashed so that the form user may know what to correct in the form fields.

This online tool can be accessed through all of the leading browsers such as Internet Explorer, Firefox, Opera and Safari.

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