substring extracting in groovy from another string

Question

I have a string:

pRoiGroup="[com.testing.Location#533bfa78d3f9645043e4eb25]"

I want to get the string "533bfa78d3f9645043e4eb25" from pRoiGrop. how can I do this ?

Answer 1

pRoiGroup[++pRoiGroup.indexOf(/#/)..-2] //No list involved

Answer 2

def result= pRoiGroup.split("#")[1][0..-2]

Answer 3

String result = pRoiGroup - "[com.testing.Location#" - "]"

Answer 4

Or:

def result = pRoiGroup.find( /#([a-f0-9]*)]/ ) { it[ 1 ] }