Regular Expressions 101

All the errors detected are listed below, from left to right, as they appear in the pattern.

/ Delimiter must be escaped with `\`

/ Delimiter must be escaped with `\`

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9])/\\b(?:Jan(?:uary|uar)?|Feb(?:ruary|ruar)?|M(?:a|ä)?r(?:ch|z)?|Apr(?:il)?|Ma(?:y|i)?|Jun(?:e|i)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|O(?:c|k)?t(?:ober)?|Nov(?:ember)?|De(?:c|z)(?:ember)?)\\b/(?>\\d\\d){1,2}:(?!<[0-9])(?:2[0123]|[01]?[0-9]):(?:[0-5][0-9])(?::(?:(?:[0-5]?[0-9]|60)(?:[:.,][0-9]+)?))(?![0-9]) (?:[+-]?(?:[0-9]+))

New

[17/Dec/2005:02:40:45 -0500] 192.168.2.10:ossecdb LOG:  duration: 0.016 ms  statement: SELECT id FROM location WHERE name = 'enigma->/var/log/messages' AND server_id = '1'

Substitution