search segments and replace duplicates with different values

Question

With the segment below, I want to be able to scan the AL1 segments and see that is there are multiple AL1 segments, replace them with 'Misc Allergies'.

NK1|3||||||||||||NOT EMPLOYED||||||||||||||||||||3102326|Re
PV1|1|O|CARD-WAL^^^E|EL|||2894^SMITH^MARTIN^B^^^^^PROV^^^^PROV|||||||2|||||11210111441|M||||||||||||||||
PV2||||||||20210111||||101||||||||||N||||||||||N
AL1|1|En|^POLLEN|Me|RASH|20100604
AL1|1|Fo|^WHEAT|Me|RASH|20100604
AL1|1|Fo|^NUTS|Me|RASH|20100604
OBX|1|NM|HT^HEIGHT||162.6|cm||||||||20210111084100

Answer 1

You can loop through the AL1 segments and then update them.

AL1 example

https://www.qvera.com/kb/index.php/2872

 

OBX example

https://www.qvera.com/kb/index.php/2578

https://www.qvera.com/kb/index.php/411

 

RXA example

https://www.qvera.com/kb/index.php/696

 

GT1 example

https://www.qvera.com/kb/index.php/2519