need to parse dates from a string

Hello,

I need to parse a string to extract date for the sample text(sometime date format changes too) as below:

Need Date that comes after POP or Period of Performance word in 2 columns

Result:

start date:10/1/2018

end date:9/30/2019

Sample Text:

 Facility:ASAHSN Location: LaGuardia NY             

Lease Number:26DDDKKD-55

Lessor: Edgewater Industrial Park LLC

Period of Performance: 10/1/2018- 9/30/2019

Schedule: region: xyz

OR

 Facility:ASAHSN Location: LaGuardia NY

Lease Number:26DDDKKD-55

Lessor: Edgewater Industrial Park LLC

PoP: 10/1/2018- 9/30/2019

Schedule: region: xyz