catthe literal text cat (case sensitive) \s+any whitespace character, repeated at least once
.*any character, repeated any number of times
\.the literal . (4610 / 568 / 2E16)
xmlthe literal text xml (case sensitive) .*any character, repeated any number of times
\[the literal [ (9110 / 1338 / 5B16)
Expert@Arcus-mgmt1the literal text Expert@Arcus-mgmt1 (case sensitive) \]the literal ] (9310 / 1358 / 5D16)
#the literal # (3510 / 438 / 2316)
\s?optionally matches any whitespace character
s modifier: single line. Allows a dot to match line terminators