#FieldsRegex
##About
Summary: Gets or sets the regular expression used for filtering which fields users can view. If the name of a column matches this expression then it will not be shown on dropdowns that expose datasource fields.
Data Type: System.String
Accepted Values:
Default Value: MD5|^(Passw)
Impacted Features:
Purpose:
Usage:
Caveats:
##Code Samples ###Global.asax (C♯)
```
###Global.asax (VB.NET)
```visualbasic