\ba Unicode word boundary
Category the literal text Category (case sensitive) C-Zone character from C (6710) to Z (9010) (case sensitive)
.{0,5}any Unicode character (except for line terminators), repeated between 0 and 5 times
\ba Unicode word boundary
Group 1(This is some text I'm aware of) This is some text I'm aware ofthe literal text This is some text I'm aware of (case sensitive) \ba Unicode word boundary
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string