Regular Expressions 101

factType=the literal text factType= (case sensitive)

Group facttype(?<facttype>\w+)

\w+any word character, repeated at least once

Non-Capturing Group(?:&(?!filters=)[^&\s]*)*

*repeats the group contents below any number of times:

&the literal & (38₁₀ / 46₈ / 26₁₆)

Negative Lookahead(?!filters=)

filters=the literal text filters= (case sensitive)

Negated Character Class[^&\s]*

*matches any number of characters outside the set below:

&the literal & (38₁₀ / 46₈ / 26₁₆)

\sany whitespace character

&filters=the literal text &filters= (case sensitive)

Group filters(?<filters>[^\&]+)

Negated Character Class[^\&]+

+matches at least one character outside the set below:

\&the literal & (38₁₀ / 46₈ / 26₁₆)

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

factType=(?<facttype>\w+)(?:&(?!filters=)[^&\s]*)*&filters=(?<filters>[^\&]+)

New

msg: abc.asia - [2021-08-23T00:27:08.152+0000] "GET /facts?factType=COMMERCIAL&aaa=2021-08-23T00:27:08.152+00002021-08-23T00:27:08.152+0000&filters=abc