result = re.search('^/[[/S/s]*/]$',str)print(result)print(result.group())<_sre.SRE_Match object; span=(0, 35), match="['rtb-c09v2lff02' 'rtb-7g1yn4rvmx']">['rtb-c09v2lff02' 'rtb-7g1yn4rvmx']