Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F107xx/AFIO/EXTICR1#0x0
External interrupt configuration register 1 (AFIO_EXTICR1)
EXTI0 configuration
EXTI1 configuration
EXTI2 configuration
EXTI3 configuration
https://github.com/cmsis-svd/cmsis-svd-data