Regular Expressions 101

Pro

Non-Capturing Group(?:.*)

.*any character (except for line terminators), repeated any number of times

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1(\d{1,19})

\d{1,19}a digit, repeated between 1 and 19 times

missing data lines in iterationthe literal text missing data lines in iteration (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.

25 tokens

Regular Expression

(?:.*) (\d{1,19}) missing data lines in iteration

New

[2022-05-01 00:00:00] [Thread-1] ERROR MyLoggerName - Iteration #0.  [123456, 456789]  -  2 missing data lines in iteration
[2022-05-01 00:01:00] [Thread-1] ERROR MyLoggerName - Iteration #1.  [234567, 567890]  -  951 missing data lines in iteration