Key value pair extraction not working

[viswanathsd]

Sample Event:

2015-07-01 09:17:22,962|CACHE-NAME:upf-cccc-ttt-yyy2-zzz-cache|BACK-CACHE-ENTRIES:0|BACK-CACHE-SIZE-IN-BYTES:0|BACK-CACHE-SIZE-IN-MB:0|BACK-CACHE-AVG-SIZE:0|BACK-CACHE-NO-OF-GETS:0|BACK-CACHE-NO-OF-HITS:0

Tried below options...
Transforms.conf:

[sampleextract]
([A-Z|\-]+):([a-z|\-|\d]+)   

OR

\|(?<_KEY_1>[A-Z|\-]+):(?<_VAL_1>[^|]+)

OR

\|(?<_KEY_1>[^:]+):(?<_VAL_1>[^|]+)

OR

\|([A-Z|\-]+):([a-z|\-|\d]+) 
_raw
$1::$2

Props.conf:

Name                                      Type             Extraction/Transform

sampleextract : REPORT-samplesource       Uses transform   sampleext

[woodcock]

Try this:

Transforms.conf:

[sampleextract]
REGEX = ([^|:\s]{3,}):([^|:\s]+)
FORMAT = $1::$2
MV_ADD = 1

Props.conf:

[mySourceType]
REPORT-sampleextract sampleextract