Demo PHP Check Digits Only

Check String Using preg_match() Function

Valid String: 11234

Invalid String: 1123.4

String contains only numeric digits

String does not contain only numeric digits

Check String Using Custom isNumber() Function

String contains only numeric digits

String does not contain only numeric digits

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Demo PHP Check Digits Only

Check String Using preg_match() Function

Check String Using Custom isNumber() Function

I spent several hours to create this tutorial, if you want to say thanks so like my pages on Facebook & Twitter and leave your reviews here on Facebook.

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