isAlphanumeric property

bool get isAlphanumeric

Checks if string contains only alphanumeric characters

Example:

"HelloWorld123".isAlphanumeric; // Returns true
"Hello_123".isAlphanumeric; // Returns false

Implementation

bool get isAlphanumeric =>
    isNotEmpty && RegExp(r'^[a-zA-Z0-9]+$').hasMatch(this);