^start of line
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\sany whitespace character
Non-Capturing Group(?:(?!^\d+\.\d+\s).)* *repeats the group contents below any number of times:
Negative Lookahead(?!^\d+\.\d+\s) ^start of line
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\sany whitespace character
.any character
\ban ASCII word boundary
TESTthe literal text TEST (case sensitive) \ban ASCII word boundary
Non-Capturing Group(?:(?!^\d+\.\d+\s).)* *repeats the group contents below any number of times:
Negative Lookahead(?!^\d+\.\d+\s) ^start of line
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\sany whitespace character
.any character
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
s modifier: single line. Allows a dot to match line terminators