How to use ppl in regex used logs secetion

OpenSearch
1

hello
i am using latest version of opensearch and opensearch dashboard

this is my logs below

attributes.cacheKey:
    newuser-108
attributes.level:
    INFO
attributes.log.file.name:
    mylog.log
attributes.timestamp:
    2024-12-13 12:43:16.375
attributes.userId:
    101
body:
    {"timestamp":"2024-12-13 12:43:16.375","level":"INFO","message":"User logged in successfully5.","userId":101,"cacheKey":"newuser-108","service":"Authentication"}
observedTimestamp:
    Dec 16, 2024 @ 11:36:30.561
severity.text:
    INFO
severity.number:
    9
@timestamp:
    Dec 13, 2024 @ 18:13:16.375
_id:
    WQITzpMB7ejMl5kfSe4u
_type:
    - 
_index:
    test-otel-log
_score:
    - 
------ 2 --------
attributes.cacheKey:
    newuser-110
attributes.level:
    WARN
attributes.log.file.name:
    mylog.log
attributes.timestamp:
    2024-12-13 12:43:16.375
attributes.userId:
    101
body:
    {"timestamp":"2024-12-13 12:43:16.375","level":"WARN","message":"User logged in successfully7.","userId":101,"cacheKey":"newuser-110","service":"SystemMonitor"}
observedTimestamp:
    Dec 16, 2024 @ 11:36:30.561
severity.text:
    WARN
severity.number:
    13
@timestamp:
    Dec 13, 2024 @ 18:13:16.375
_id:
    WwITzpMB7ejMl5kfSe4u
_type:
    - 
_index:
    test-otel-log
_score:
    -

try to match regex in attributes.cacheKey: newuser-110,newuser-108
attributes.cacheKey : (newuser- ) any number to match regex get only this logs