Regular Expressions 101

^start of line

Group time(?<time>[^ ]+)

Negated Character Class[^ ]+

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

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

clientIdentifierthe literal text clientIdentifier (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group clientIdentifier(?<clientIdentifier>[^,]+)

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

userIdthe literal text userId (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group userId(?<userId>[^,]+)

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

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Search reference

Regular Expression

^(?<time>[^ ]+).*clientIdentifier\\\":(?<clientIdentifier>[^,]+).*userId\\\":(?<userId>[^,]+)

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