# tReplaceList

Cleanses all files before further processing.

Carries out a Search and Replace operation in the input columns defined based on an external lookup.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/standardization).

### In this section

* [tReplaceList Standard properties](https://help.qlik.com/talend/en-US/components/7.3/standardization/treplacelist-standard-properties)

**Related concepts**

[Replacing state names with their two-letter codes](https://help.qlik.com/talend/en-US/components/7.3/standardization/treplacelist-tfileinputdelimited-tlogrow-tlogrow-replacing-state-names-with-their-two-letter-codes-standard-component-the)