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Asked: 2026-05-11T17:39:37+00:00

This is a followup to an earlier question ( Help Refining RegEx ("\b\d{6}([ ]{1,15})\d{7}\b")

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This is a followup to an earlier question (Help Refining RegEx ("\b\d{6}([ ]{1,15})\d{7}\b")). The goal is to get the Lat/Lon from the file. This is denoted by an L or the pattern of 6d/7d. I incorrectly stated that there could not be an alpha between start of the Lat (305455) and the Lon (1025446). When I implemented the proposed Regex everything was great till I hit this file. Notice that ‘6770G37 contains an alpha and broke the pattern or that it had 6 digits and restarted the pattern. Not good enough with Reg Ex to figure it out. Here are three different patterns that I need to find. Thanks!

I  FST E  030                                                       66686500    
    L  305455                                              '6770G37 66686501    
       1025446                                             '6770G37 66686502    
    O  ZCA/999                                                      66686503    
    H  05                                                           66686504    

I  ARA                                    '* ACADIANA  AIRPORT         29865996    
            L    300216                               '2425     29865997    
                 0915302                              '2425     29865998    
            S    MSY                                            29865999   

I JENNA078033 ' ZFW L 322823 0923754 ' ZFW

(Transferred from deleted answer)

This is a followup to Gishu’s answer, but could not get the comments area to format well enough. The Regex he proposed L\s*(\d{6})\s*(?:'.*\n)?\s*(\d{7}) worked for several of the possibilities, but failed on this pattern using the .Net engine with multi-line option turned on.

The goal is to capture the Lat 322441 and the Lon 0994055.

Returned Match:

L  322441                                             '1325     66685780

Sample data…..

I  ABI E   018                                                          66685779    
        L  322441                                             '1325     66685780    
           0994055                                            '1325     66685781    
        O  ZCF/999                                                      66685782    
        H  05                                                           66685783

Thanks again guys!

This is a followup to Gishu’s answer, but could not get the comments area to format well enough. The Regex he proposed L\s*(\d{6})\s*(?:'.*\n)?\s*(\d{7}) worked for several of the possibilities, but failed on this pattern using the .Net engine with multi-line option turned on.

The goal is to capture the Lat 322441 and the Lon 0994055.

Returned Match:

L  322441                                             '1325     66685780

Sample data…..

I  ABI E   018                                                          66685779    
        L  322441                                             '1325     66685780    
           0994055                                            '1325     66685781    
        O  ZCF/999                                                      66685782    
        H  05                                                           66685783

Thanks again guys!

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1 Answer

  1. Editorial Team

    See if this one works.. L\s*(\d{6})\s*(?:'.*\n)?\s*(\d{7})

    string sText = @" ..." // all the different patterns you posted. I think I have 4
Regex regex = new Regex(@"L\s*(\d{6})\s*(?:'.*\n)?\s*(\d{7})", RegexOptions.Multiline);
foreach (Match everyMatch in regex.Matches(sText))
{
  Console.WriteLine("L {0}, {1}", everyMatch.Groups[1], everyMatch.Groups[2]);
}

    Outputs:

    L 305455, 1025446
L 300216, 0915302
L 322823, 0923754
L 322441, 0994055
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