Input Validation Pyqt

Portronics MagSafe Power Bank Portronics Camera Power Bank Portronics 65W Power Bank Portronics Wireless Power Bank Power Bank 10000mAh Portronics Power Shutter Power Bank Portronics Luxcell Power Bank Potronics Power Bank Portronics Luxcell B12 10000mAh Power Bank Baclk Portronics Power Bank Charging Patronics Power Bank Luxcell Portronics Power Bank Blinkit Portronics Power Shutter 20000mAh Potrtronics Power Bank Power Bank 10000mAh Type C Portronics Transparent Power Bank Smallest 10000mAh Power Bank Portronics Power Bank 3 Portronics Power Bank for iPhone Portronics Power Bank PNG Best 10000mAh Power Bank Pen Power Bank Pro 10000mAh Portronics Power Bank Small Portronics Power Bank New Portronics Mini Power Bank Petronic Power Bank Portronics Power Bank Camera Design Portronics Luxcell 10K Power Bank Portronics Power Plus II Power Bank Portronics Portable Power Bank Portronics Revvo Power Bank Black Portronics Power Bank 10000mAh Digital Portronics Rounf Power Bank Lf4107 Power Bank Pod Power Bank Bubble Pro Portronics Power Bank Portronics 65 Watt Power Bank Portronics Power Bank Metal Duracell 20000 Mah Power Bank Protronic Power Bank Atorni 10000mAh Power Bank Pebble Power Bank Portronics Portronics Power Bank Prise Protonix Power Bank Phoronics Power Bank Wallet 1 Power Bank Luxottica Portable Power Bank Hard Drive Portronics Power Bank for Laptop Dixon Power Bank Power Bank for Mobile Potoronics