# alphaNumeric function

**URL:** <https://forum.kirupa.com/t/alphanumeric-function/163361>\
**Category:** flash\
**Created:** [September 21, 2005, 8:56pm UTC](https://forum.kirupa.com/t/alphanumeric-function/163361 "2005-09-21T20:56:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![beanSoldier](https://avatars.discourse-cdn.com/v4/letter/b/53a042/32.png) [@beanSoldier](https://forum.kirupa.com/u/beanSoldier)\
**Post date:** [September 21, 2005, 8:56pm UTC](https://forum.kirupa.com/t/alphanumeric-function/163361/1 "2005-09-21T20:56:03Z")

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what’s a quick way to determine wether or not a string is composed of all alphanumeric characters. ie, a-z or 0-9.

thanks.