regex101: JavaScript Match Workspace

^start of line

Group createdAt(?<createdAt>\d+)?

?repeats the group contents below at most once:

\d+a digit, repeated at least once

:?optionally matches the literal : (58₁₀ / 72₈ / 3A₁₆)

Group uuids(?<uuids>(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}[,]?)+)

Non-Capturing Group(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}[,]?)+

+repeats the group contents below at least once:

Character Class[0-9a-f]{8}

{8}matches exactly 8 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-f]{4}

{4}matches exactly 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

-4the literal text -4

Character Class[0-9a-f]{3}

{3}matches exactly 3 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[89ab]

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

Character Class[0-9a-f]{3}

{3}matches exactly 3 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9a-f]{12}

{12}matches exactly 12 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

Character Class[,]?

?matches at most one character from the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group revisionHash(?<revisionHash>[a-f0-9]{32})

Character Class[a-f0-9]{32}

{32}matches exactly 32 characters from the set below:

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group json(?<json>.*)

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

$end of line

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

Search reference

Regular Expression

^(?<createdAt>\d+)?:?(?<uuids>(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}[,]?)+):(?<revisionHash>[a-f0-9]{32}):(?<json>.*)$

New

Without creation date (backwards-compatibility):

92f1a31b-47ca-49c8-a8b7-dc4083cb4d82:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28],"5":[14]}

Without creation date (backwards-compatibility) with multiple UUIDs:

4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28]}


With creation date (backwards-compatibility) with multiple UUIDs:

1676837294:4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"2":[15],"3":[28]}

New format:
1676837294:4907ee3b-21a9-467a-b90a-2aba97cf1924,bb1513e7-df1d-4387-b022-543c05484737:eab5627c1f4d3ee1c4dc6d7c80338562:{"d":{"2":[15],"3":[28]},"bc":"main_all"}

Regular Expressions 101

Regular Expression

Substitution