SharePoint Form Validation provides a way to validate input content when you create an item in New-Form or edit an item in Edit Form. SharePoint Form Validation supports a client-side validation for SharePoint list field data. SharePoint Form Validation provides 4 standard validation types for input content check when users create a SharePoint list item in New-Form or edit an item in Edit Form. They are Required Validation, Regular Expression Validation, Compare Validation, and Range Validation.

Administrator can configure above four validations and customize warning error messages for most columns in a list. Required Field Validator is used for setting whether some column should not be null. Regular Expression Validator is used to check whether inputted content is against a regular expression. Range Validator makes effect when it is required that some value of data should be in a range. Compare Validator plays an important role when data are set to be compared with each other.

1. Check whether the user has entered or selected value;
2. Check whether input value is against a regular expression;
3. Check whether input value is between two fixed values;
4. Compare input value with a fixed value or others
5. List frequently-used regular expressions in setting pages.

Requirements:
* .NET Framework
* SharePoint Services v3
* SharePoint Server 2007

The license of this software is Free Trial Software, the price is $499.00, you can free download and get a free trial.