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Questions - pcre

Improving the performance of an PCRE Regex Pattern

I have the below regex here which is written to support the PRCE/PRCE2 format. However, this throws the following error “Evaluation takes too long. Please check your regular expression.” Is there any ...
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Kamesh

regex

regex-lookarounds

pcre

regex-group

Votes: 0

Answers: 2

Latest Answer

You may try this refactored regex: \b(?>x|order(?>[\W_]*number)?[\W_]*)\d+(*SKIP)(*F)|(?=(?>[._ –-]*\d){9})(?>(?>9|6{3}|0{3}|(?>\d\D*){3}00|(?>\d\D*){5}0{4})(*SKIP)(*F)|\d(?>\D...
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anubhava

Regex expression to exclude a string between two capture groups

I am trying to capture the user name and channel id of that user from an api string using regex. Unfortunately I can not use a JSON Parser on the JSON format so I (beginner) am stuck with Regex. My so...
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Blancsoir

regex

pcre

Votes: 0

Answers: 2

Latest Answer

Don't allow {"id" between username and channel: username": "((?!Bot 1)[^"]*)"(?:(?!\{"id").)*channel_id": "(\d+)" See live demo. Username and ch...
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Bohemian

Writing ECMAScript Javascript Regex to Perl flavour (PCRE) / (PCRE2)

I'm having the below Regex which is written to support the ECMAScript Javascript flavour. However, this has to be re-written in the Perl flavour (PCRE) / (PCRE2) (?<!x)(?<!\border\D*\W*)(?<!\...
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Kamesh

regex

pcre

ecmascript-2018

Votes: 0

Answers: 1

Latest Answer

You may use this PCRE compliant regex equivalent of your Javascript regex: \border(?:\s*number)?\W*\d+(*SKIP)(*F)|(?<!x)(?=(?:[._ –-]*\d){9})(?!9|66\D*6|00\D*0|(?:\d\D*){3}0\D*0|(?:\d\D*){5}0(?:\D*...
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anubhava

Regex does not work on nearly identical raw data in Splunk

Im using Splunk (data monitoring) and I have a regex that checks our logs and needs to return some info of a job failure. The regex works pretty good but for one job failure it does not output anythin...
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Terrace Grow

asp.net

regex

pcre

splunk

Votes: 0

Answers: 1

Latest Answer

One is using the namespace Microsoft.Data and the other System.Data. You just need to make it so it doesn't matter. (Exception \W: |Exception: | ?\w{1,}.Data.SqlClient.SqlException\s ?\(\dx\d{8}\)\: )...
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Monofuse

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