STRING::ISXDIGIT 1g 2024-04-15 laplante@plcb.ca GOWEB/STRING — Check for Hexadecimal Characters

title: “STRING::ISXDIGIT” version: “1.0.0” date: 2024-04-15 author: “laplante@plcb.ca” section: “1g”

category: “GOWEB/STRING”

Name

string::isxdigit Check for Hexadecimal Characters

Synopsis

string::isxdigit(string[, error: variable, string...])
isxdigit(string[, error: variable, string...])

Description

The isxdigit function checks whether the provided string contains only valid hexadecimal characters.

Valid characters are:

• Digits: 0–9
  
• Lowercase letters: a–f
  
• Uppercase letters: A–F

It returns:

• true if all characters are valid hexadecimal digits
  
• false if at least one character is outside the hexadecimal range

Examples

res={{
    isxdigit("0123456789abcdefABCDEF");
    isxdigit("0123456789 abcdef ABCDEF");
}}.

Returns:

res=true
false

Author

laplante@plcb.ca

See Also

• string::isdigit
  
• String functions
  
• Index
  

Version

• 1.0.0 — 2024-04-15 — Initial version