# 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

- ISALPHA()
- ISLOWER()
- ISUPPER()
- LOWER()
- UPPER()