# Checking for one letter at a time

**URL:** <https://forum.kirupa.com/t/checking-for-one-letter-at-a-time/179750>\
**Category:** Uncategorized\
**Created:** [February 22, 2006, 7:10pm UTC](https://forum.kirupa.com/t/checking-for-one-letter-at-a-time/179750 "2006-02-22T19:10:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![simon12](https://avatars.discourse-cdn.com/v4/letter/s/f475e1/32.png) [@simon12](https://forum.kirupa.com/u/simon12)\
**Post date:** [February 22, 2006, 7:10pm UTC](https://forum.kirupa.com/t/checking-for-one-letter-at-a-time/179750/1 "2006-02-22T19:10:40Z")

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hello all  
im having a series of input text clips and want to enable only one letter per text box( like in a multiple question test)  
how can i make sure the user can insert only one letter per text box?  
thanks guys