Parsing match from text using SQL# (SqlSharp) CLR function

ParseTextUsingCLR.sql

declare @StuckGum as table (
     message varchar(1000) not null
    );
insert  into @StuckGum
        ( message )
-- Data generated by http://bit.ly/29GsjgG thanks for such a great resource for cool randomized data
values
        ( 'A media personality named Hou Pu-Sho needs a 4:37: team to abduct and extract Arsem Tchinova, the head of newLink Unlimited. Further, security is already on alert because of a previous botched run.' )
,       ( 'A charming corporate agent named Dara Yenkotov needs a 2:41: team to abduct and extract Take Kuri, the head of Paronki-Puchkora Multinational. Further, security is already on alert because of a previous botched run.' )
,       ( 'A guarded media personality named Tobias McRaven needs a 8:37: team to abduct and extract Nouchi Sumi, the head of priSoft Consolidated. However, he cannot provide any usual form of compensation.' )
,       ( 'A data broker named Ientik Sova needs a team 8:38: to assassinate a rival named Nake Tomi. However, the team finds itself double-crossed.' )
,       ( 'A hawkish data broker named Denisse Bechtel needs a 9:33: team to break into the network of OI Multinational. However, the team finds itself double-crossed.' )
,       ( 'A guarded data broker named Kada Ekomi needs a 2:183: team to abduct and extract Lincoln Watrous, a media officer of Dee-Kui Amalgamated. In addition, the team is randomly targeted by a mischievous hacker.' )
,       ( 'A government official named Ghislaine Tronstad needs a team 5:163: to break into the network of IBH Amalgamated and assassinate an advanced artificial intelligence. However, the job is a trap.' )
,       ( 'A foreign government agent named Merrill Arleth needs a 8:92: team to deliver a black box to Zhieu Corporation. Further, the team has only thirty minutes to complete the job.' )
,       ( 'A cryptic hacker named Necole Tower needs a team 6:46: to break into the network of Veillon-Naki Multinational and steal military data. Further, the security surrounding the target is unusually high.' )
,       ( 'A corporate agent named Lena Mova needs a team 2:181: to assassinate a rival named McKinley Vangelos. However, the job is a trap.' );


-- Text I'm trying to match is the #:###: 
-- Like statement doesn't work due to number being 1-2 at beginning followed by colon with 1-3 numbers followed by colon. 
-- This requires the ability to match a varying length of numbers, which like can't do. 
select
    ParsedNumber = SQL#.RegEx_CaptureGroup(sg.message, '.*(\d{1,2}:\d{1,3}):.*', 1, null, 1, -1, '')
   ,sg.message
from
    @StuckGum as sg;