Regular Expressions 101

Positive Lookbehind(?<=(?:Receive rate: ))

Non-Capturing Group(?:Receive rate: )

Receive rate: the literal text Receive rate: (case sensitive)

\d+a digit, repeated at least once

Positive Lookahead(?=(?: B\/s))

Non-Capturing Group(?: B\/s)

Bthe literal text B (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=(?:Receive rate: ))\d+(?=(?: B\/s))

New

9/14/2021 6:01:14 PM   42 (3224)   Receive rate: 39338 B/s
9/14/2021 6:01:29 PM   92 (940)   Receive rate: 215363 B/s