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SharePoint Form Validation
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Version
1.6.813.32
Check whether the user has entered or selected value;
Check whether input value is against a regular
expression;
Check whether input value is between two fixed values;
List frequently-used regular expressions in setting
pages.
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.
By default, SharePoint can do some simple validations
to SharePoint list field data such as "Required Field"
on server side when you submit form. But users often
need list field data validations of various kinds on
client side. For instance, when submitter creates a
task and input data in a SharePoint task list form,
administrator may want him to be noticed on the client
side if the data of "Start Date" column is later
than "End Date" column. In such a case, SharePoint
Form Validation can help administrators achieve it.
SharePoint Form Validation can be used on almost all
kinds of lists. For most columns in a list, users can
apply standard validation methods such as "Required
Validation", "Compare Validation", "Regular Expression
Validation" and "Range Validation" on columns.
SharePoint Form Validation can take effect in the
SharePoint list item New Form page or Edit Form page.
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