# Validate Forms

**URL:** <https://forum.kirupa.com/t/validate-forms/102616>\
**Category:** Uncategorized\
**Created:** [February 25, 2004, 1:46pm UTC](https://forum.kirupa.com/t/validate-forms/102616 "2004-02-25T13:46:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Nick\_Toye](https://avatars.discourse-cdn.com/v4/letter/n/82dd89/32.png) [@Nick\_Toye](https://forum.kirupa.com/u/Nick_Toye)\
**Post date:** [February 25, 2004, 1:46pm UTC](https://forum.kirupa.com/t/validate-forms/102616/1 "2004-02-25T13:46:16Z")

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How do you validate that a user has entered a number into an input box, such as a telephone number, or an imperial weight?

Thanks in advance

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 25, 2004, 6:00pm UTC](https://forum.kirupa.com/t/validate-forms/102616/2 "2004-02-25T18:00:05Z")

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Whats the format of telephone numbers and imperial height?