isletter

Determine which characters are letters.

📝 Syntax

• res = isletter(str)

📥 Input argument

• str - scalar, vector, matrix or multidimensional array.

📤 Output argument

• res - logical array

📄 Description

isletter determines which characters are letters.

💡 Examples

isletter('Nel Son')

isletter("六書 six writings")

🔗 See also

toupper.

🕔 History

Version	📄 Description
1.0.0	initial version