from PyQt5.QtCore import Qt from PyQt5.QtGui import QIntValidator # Restrict input values to a range from 0 to 100 validator = QIntValidator(0, 100) lineEdit = QLineEdit() lineEdit.setValidator(validator)
from PyQt5.QtCore import Qt from PyQt5.QtGui import QIntValidator # Validate hexadecimal input values with a base of 16 validator = QIntValidator() validator.setRange(0, 255) validator.setBase(16) lineEdit = QLineEdit() lineEdit.setValidator(validator)In summary, QIntValidator is a PyQt5 package library class that validates user input values as integers and restricts them to certain ranges. It is commonly used with QLineEdit widgets in PyQt5 applications.