STRING::ISALNUM 1g 2024-04-10 laplante@plcb.ca GOWEB/STRING — Check Alphanumeric Content

title: “STRING::ISALNUM” version: “1.0.0” date: 2024-04-10 author: “laplante@plcb.ca” section: “1g”

category: “GOWEB/STRING”

Name

string::isalnum Check Alphanumeric Content

Synopsis

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

Description

The isalnum function checks if the given string contains only alphabetic and numeric characters.

This is equivalent to:

isalpha(string) || isdigit(string)

• Returns true if the string contains only letters and digits
  
• Returns false otherwise
  

Examples

res={{
    isalnum("abc123ABC"); "\n";
    isalnum("abc1_éé"); "\n";
    isalnum("abc1_"); "\n";
    isalnum("abc1"); "\n";
    isalnum("abc1éè"); "\n";
}}.

Returns:

res=true
false
false
true
false

Author

laplante@plcb.ca

See Also

• String functions
  
• Index
  

Version

• 1.0.0 — 2024-04-10 — Initial version