STRING::ISLOWER 1g 2024-04-10 laplante@plcb.ca GOWEB/STRING — Check for Lowercase Characters

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

category: “GOWEB/STRING”

Name

string::islower Check for Lowercase Characters

Synopsis

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

Description

The islower function checks whether the provided string contains only lowercase characters.

It accepts:

• Lowercase ASCII letters (a-z)
• Lowercase Unicode letters (e.g., é, è)
• Can include multiple arguments for batch checking

It does not accept:

• Uppercase characters (A-Z)
• Digits
• Symbols or punctuation
• Mixed case strings
• Empty strings

Examples

res={{
    islower("abc"); "\n";
    islower("ABC"); "\n";
    islower("abc123"); "\n";
    islower("abcéè"); "\n";
    islower("aBc"); "\n";
    islower(""); "\n";
}}.

Returns:

res=true
false
false
true
false
false

Author

laplante@plcb.ca

See Also

• string::isupper
  
• String functions
  
• Index
  

Version

• 1.0.0 — 2024-04-10 — Initial version