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!endswith operator

  • Article

Filters a record set for data that excludes a case-insensitive ending string.

The following table compares the endswith operators using the abbreviations provided:

  • RHS = right-hand side of the expression
  • LHS = left-hand side of the expression
Operator Description Case-Sensitive Example (yields true)
endswith RHS is a closing subsequence of LHS No "Fabrikam" endswith "Kam"
!endswith RHS isn't a closing subsequence of LHS No "Fabrikam" !endswith "brik"
endswith_cs RHS is a closing subsequence of LHS Yes "Fabrikam" endswith_cs "kam"
!endswith_cs RHS isn't a closing subsequence of LHS Yes "Fabrikam" !endswith_cs "brik"

For more information about other operators and to determine which operator is most appropriate for your query, see datatype string operators.

Performance tips

Note

Performance depends on the type of search and the structure of the data. For best practices, see Query best practices.

When possible, use the case-sensitive !endswith_cs.

Syntax

T | where col !endswith (expression)

Learn more about syntax conventions.

Parameters

Name Type Required Description
T string ✔️ The tabular input whose records are to be filtered.
col string ✔️ The column to filter.
expression string ✔️ The expression used to filter.

Returns

Rows in T for which the predicate is true.

Example

Run the query

StormEvents
| summarize Events=count() by State
| where State !endswith "is"
| where Events > 2000
| project State, Events

Output

State Events
TEXAS 4701
KANSAS 3166
IOWA 2337
MISSOURI 2016