ISDIGIT()

Checks if leftmost character is a digit character

Syntax

ISDIGIT( <cString> ) --> lDigit

Arguments

<cString> Any character string

Returns

lDigit Logical true (.T.) or false (.F.).

Description

This function takes the caracter string <cString> and checks to see if the leftmost character is a digit,from 1 to 9.If so, the function will return a logical true (.T.);otherwise, it will return a logical false (.F.).
Examples
      ? ISDIGIT( '12345' )      // .T.
      ? ISDIGIT( 'abcde' )      // .F.
Status

Ready

Compliance

This function is CA-Clipper compliant

Platforms

All

Files

Library is rtl

See Also