Help me create math regex

[vn.suzuki]

• Hi everyone, can anyone help me create a math regex that blocks ddos?

• generate math regex if path does not contain “-” then block

• ddos path format:

/PBlhojVMzGYbu8TEm90PBlhojVMzGYbu8TEm90PBlhojVMzGYbu8TEm90PBlhojVMzGYbu8TEm90PBlhojVMzGYbu8TEm90