Thanks for the details.
replace('current string', 'text to replace', '')
how to use the below formula in this expression or do we need to modify etc
variable 3 expression :last(split(outputs('Compose_2')[6],': '))
variable 4 expression: last(split(outputs('Compose_2')[8],': '))
variable 5 expression: last(split(outputs('Compose_2')[12],': '))