给定一个字符串,如:
Recipient: test@test.com
Action: failed
Status: 5.0.0 (permanent failure)
Diagnostic: No
仅当它始终在 Status: 之后,我如何获得“5.0.0”和“永久故障”??
谢谢
给定一个字符串,如:
Recipient: test@test.com
Action: failed
Status: 5.0.0 (permanent failure)
Diagnostic: No
仅当它始终在 Status: 之后,我如何获得“5.0.0”和“永久故障”??
谢谢