# \#grep1

**URL:** https://help.galaxyproject.org/tag/grep1/485.md

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## [Case-sensitive Select tool?](https://help.galaxyproject.org/t/case-sensitive-select-tool/14972)

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**Author:** [@katherine-d21](https://help.galaxyproject.org/u/katherine-d21)\
**Replies:** 3\
**Last updated:** [March 13, 2025, 9:49pm UTC](https://help.galaxyproject.org/t/case-sensitive-select-tool/14972 "2025-03-13T21:49:53Z")

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Hello! I’m using the Select tool (Galaxy Version 1.0.4; link: Galaxy), My question is about whether this tool is case-sensitive. In particular, I am filtering out contaminant and decoy peptides, so here is how I set th…

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## [Filter data on any column using simple expressions](https://help.galaxyproject.org/t/filter-data-on-any-column-using-simple-expressions/633)

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**Author:** [@salvatore\_d](https://help.galaxyproject.org/u/salvatore_d)\
**Replies:** 4\
**Last updated:** [May 14, 2021, 3:19am UTC](https://help.galaxyproject.org/t/filter-data-on-any-column-using-simple-expressions/633 "2021-05-14T03:19:42Z")

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Hi all. i have uploaded a file in wich I have to select the last two columns. I tried with the tool “Filter data on any column using simple expressions”, but evidently I’m missing something, because I don’t get what I w…