# \_\_reg

**URL:** https://forum.kirupa.com/t/--reg/277420
**Category:** flash
**Created:** [December 11, 2008, 7:53pm UTC](https://forum.kirupa.com/t/--reg/277420 "2008-12-11T19:53:46Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![myoreo](https://avatars.discourse-cdn.com/v4/letter/m/7feea3/32.png) [@myoreo](https://forum.kirupa.com/u/myoreo)
#### Post date: [December 11, 2008, 7:53pm UTC](https://forum.kirupa.com/t/--reg/277420/1 "2008-12-11T19:53:46Z")

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I’m just curious. Why do programmers use \_\_reg variables in action script?  
Is it short for regular expression?  
Don’t you get lost of keeping track of what is \_\_reg2 and \_\_reg6…etc?