---
title: The “contains” And “does not contain” Filter Operators Should Not Be Used
description: "Impact Area Performance Severity Medium Affected Element Report Rule ID **SF-0136** ## Impact Selective filters generally work faster than more general ones, all else being equal. Try to make your filters as selective as you can. ## Remediation Use the `equals` or `not…"
url: "https://community-staging.qualityclouds.com/qcdocs/qc/salesforce-rules/the-contains-and-does-not-contain-filter-operators-should-not-be-used/"
updated: "2025-03-21"
category: Rules
---

# The “contains” And “does not contain” Filter Operators Should Not Be Used

Impact Area

Performance

           Severity

Medium

           Affected Element

Report

Rule ID

**SF-0136**

## Impact

Selective filters generally work faster than more general ones, all else being equal. Try to make your filters as selective as you can.

## Remediation

Use the `equals` or `not equal to` operators instead of `contains` or `does not contain`.

### Time to fix

30 min

## References

See the Salesforce documentation resource: [Improve Report Performance > Best Practices](https://help.salesforce.com/s/articleView?language=en_US&id=sf.improving_report_performance.htm&type=5)