# Filters & Field Types

Below is a list of Knack's field types along with your options for the operator value for each.

Field Type

Filters Permitted

Short Text

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Paragraph Text

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Yes/No

is, is not, is blank, is not blank

Multiple Choice

is, is not, contains, does not contain, is any, is blank, is not blank

Date/Time (single date)

is, is not, is during the current, is during the previous, is during the next, is before the previous, is after the next, is before, is after, is today, is today or before, is today or after, is before today, is after today, is before current time, is after current time, is blank, is not blank

Number

is, is not, higher than, lower than, is blank, is not blank

Image

is blank, is not blank

File

is blank, is not blank

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank, near

Name

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

is, is not, is blank, is not blank

Email

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Phone

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Rich Text

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Currency

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Auto Increment

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Timer

is, is not, higher than, lower than, is blank, is not blank

Rating

is, is not, higher than, lower than, is blank, is not blank

Text Formula

contains, does not contain, is, is not, starts with, ends with, is blank, is not blank

Signature

is blank, is not blank