Regular expression help please. (extraction of a subset of the string between two markers)

I haven't used regular expressions before, and I can't find a regular expression to extract a subset of the string between two markers.

The chain;

Stuff of header I want
Stuff of header I want
Stuff of header I want

Stuff of header I want
Stuff of header I want
Stuff of header I want

6 ERRORS
                     
Info I want to line 1
Info I want line 2
Info I want line 3
Info I want to line 4
Info I want to line 5
Info I want line 6
END_ERRORS

From the string above (it is read from a text file), I try to extract the subset of string between ERRORS 6 and END_ERRORS. The number of errors (6 in this case) can be any number from 1 to 32, and the number of lines I want to extract will correspond with this number. I can provide this number of a caller VI if necessary.

My current solution, which works, but is not very elegant;

(1) using Match Regular Expression for the return of the string after you have synchronized the 6 ERRORS

(2) uses the Regular Expression matches to return all characters before game END_ERRORS of the string returned by (1)

Is there a way this can be accomplished using 1 Regular Expression Match? If so someone could suggest how, as well as an explanation of the work of the given regular expression.

Thank you very much

Alan

I used a character class to catch any word or whitespace characters.  This put inside parentheses a substring matching the criteria that you can get by developing the node for regular expression matching.  The \d matches the numbers and the two * s repetition of the previous term.  So, \d* will find the '6', as well as "123456".

Tags: NI Software

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