field3=the literal text field3= (case sensitive) \S+any non-whitespace character, repeated at least once
,the literal , (4410 / 548 / 2C16)
\sany whitespace character
field4=the literal text field4= (case sensitive) Group field4(?<field4>\S+) \S+any non-whitespace character, repeated at least once
,the literal , (4410 / 548 / 2C16)
g modifier: global. Finds all matches instead of stopping after the first