^start of string
.{21}any character (except for line terminators), repeated exactly 21 times
printthe literal text print (case sensitive) Negated Character Class[^/]{49} {49}matches exactly 49 characters outside the set below:
/the literal / (4710 / 578 / 2F16)
othe literal o (11110 / 1578 / 6F16) (case sensitive)
.{7}any character (except for line terminators), repeated exactly 7 times
$end of string
g modifier: global. Finds all matches instead of stopping after the first