toPascalCase method
Converts this string to PascalCase
Example:
print('hello world'.toPascalCase()); // "HelloWorld"
print('hello-world'.toPascalCase()); // "HelloWorld"
Implementation
String toPascalCase() {
if (isEmpty) return this;
return split(RegExp(r'[\s\-_]+')).map((word) => word.capitalize()).join('');
}