Regular Expressions 101

Explanation

Pro

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

{"EVENT_NAME":"the literal text {"EVENT_NAME":" (case sensitive)

Group tag6(?<tag6>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","EVENT_ID":"the literal text ","EVENT_ID":" (case sensitive)

Group action(?<action>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","User_Id":"the literal text ","User_Id":" (case sensitive)

Group login(?<login>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","X_Corelation_ID":"the literal text ","X_Corelation_ID":" (case sensitive)

Group policy(?<policy>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","Client_IPAddress":"the literal text ","Client_IPAddress":" (case sensitive)

Group sip(?<sip>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","Acting_As_ID":"the literal text ","Acting_As_ID":" (case sensitive)

Group account(?<account>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

","Message":"the literal text ","Message":" (case sensitive)

Group tag2(?<tag2>[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

"}the literal text "}

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

Unit Test Summary

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Quick Reference

25 tokens

Regular Expression

.*?{"EVENT_NAME":"(?<tag6>[^"]*)","EVENT_ID":"(?<action>[^"]*)","User_Id":"(?<login>[^"]*)","X_Corelation_ID":"(?<policy>[^"]*)","Client_IPAddress":"(?<sip>[^"]*)","Acting_As_ID":"(?<account>[^"]*)","Message":"(?<tag2>[^"]*)"}

Unit Tests

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