# Reading parts of string with 20 numbers

**URL:** <https://community.glideapps.com/t/reading-parts-of-string-with-20-numbers/12989>\
**Category:** Ask for Help\
**Created:** [July 23, 2020, 12:50pm UTC](https://community.glideapps.com/t/reading-parts-of-string-with-20-numbers/12989 "2020-07-23T12:50:01Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\
**Post date:** [July 27, 2020, 2:56am UTC](https://community.glideapps.com/t/reading-parts-of-string-with-20-numbers/12989/16 "2020-07-27T02:56:18Z")

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You can use the methods I listed here ot copy down the formulas, but only use it when arrayformula can’t work for your case.

> [@Tutorial: Arrayformula in Google Sheets, good practices & how to overcome Arrayformula restrictions with scripts](https://community.glideapps.com/t/tutorial-arrayformula-in-google-sheets-good-practices-how-to-overcome-arrayformula-restrictions-with-scripts/9727):
>
> Hi, Today I will show you the script that can make copying formulas down work, when it does not work with arrayformula. But first, let’s have some introductions about arrayformula, for those who has not used this before in Google Sheets, some equivalents in Glide and some good practices while using it. I hope it can help you in building your Glide apps as well as applying it in your normal day job. 
> 
> > **1/ Definition**
> >
> > Arrayformula is defined as “a range, mathematical expression using one cell range …

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