$s = '1START   ACCOUNTA     XXXXXMA      12345     XYZ111          1ST
+ART ...';;
print $1 while $s =~ m[((?:\S+\s+){5})]g;;
1START   ACCOUNTA     XXXXXMA      12345     XYZ111
1START   ACCOUNTB     XXXXXBR      12345     XYZ191
1START   ACCOUNTA     XXXXXNY      54321     XYZ131

[download]

Or as the records appear to be fixed length:

[0] Perl> print $1 while $s =~ m[(.{61})]g;;
1START   ACCOUNTA     XXXXXMA      12345     XYZ111
1START   ACCOUNTB     XXXXXBR      12345     XYZ191
1START   ACCOUNTA     XXXXXNY      54321     XYZ131

[download]
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In reply to Re: Parsing a long string by BrowserUk
in thread Parsing a long string by Anonymous Monk

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