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POHow to find date time pattern in log file using Regular Expression
 

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  1. POHow to find date time pattern in log file using Regular Expression
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    <p>All, I am not really good with Regular expression and trying to find the right tool to use to test this, i use regexpal online tester and don't seem to be getting this:</p> <p>Problem: I have the following Log file that are time stamped : Example: <code>1/27/2012 10:47:50 AM : 0 : ContextManager.Initialize : 0 : Context Manager Initialization Started.</code> </p> <p>I am looking for a Regular Expression that will look through the log file and find the date format as listed above if it finds it i will do additional checking which i am already doing. I just need to get the regex to match the following mentioned above. </p> <p>Here is what i got so far in regards to pattern: </p> <pre><code>@"\d{2,2}/\d{2,2}/\d{4,4} \d{2,2}:\d{2,2}:\d{2,2}"; </code></pre> <p>Main Code: .net c#</p> <pre><code>public void ValidateErrorHandlingMessagesInLogFile() { System.Diagnostics.Debugger.Launch(); //@"\d{2,2}/\d{2,2}/\d{4,4} \d{2,2}:\d{2,2}:\d{2,2}" //^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$ string Pattern = @"\d{2,2}/\d{2,2}/\d{4,4} \d{2,2}:\d{2,2}:\d{2,2}"; ValidateUsingRegularExpression(Pattern, "engine"); } </code></pre> <p>Error Log:</p> <pre><code>1/27/2012 10:47:50 AM : 0 : ContextManager.Initialize : 0 : Context Manager Initialization Started. 1/27/2012 10:47:59 AM : 0 : RuleEngine:538 : 4 : History definition configuration failure. Update history_definition config parameter to resolve errors reported. history definition configuration failure - Unknown field name [Lie_DosFrom] in entry [MEM_DOS] </code></pre>
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    1. COSo....what happens when you search through the error log with the given regular expression?
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