Function Reference

StringIsDigit

Checks if a string contains only digit (0-9) characters.

StringIsDigit ( "string" )

 

Parameters

string The string to check

 

Return Value

Success: Returns 1.
Failure: Returns 0 if string contains non-digits.

 

Remarks

See examples.

 

Related

StringIsAlNum, StringIsAlpha, StringIsASCII, StringIsLower, StringIsSpace, StringIsUpper, StringIsXDigit

 

Example


StringIsDigit("12333")  ;returns 1
StringIsDigit("1.5")    ;returns 0 due to decimal point
StringIsDigit("1 2 3")  ;returns 0 due to whitespace
StringIsDigit("")       ;returns 0