matches: 1234 .0123 0.123 no matches:...

ORDERS96B Example of matching the line description of a ORDERS96B flatfile. IMD+F++:::DIN 7979 D Stahl blank | 8x30 Zylin' (?) + (?) + (?) + (? (?) : (?) : (? : (?) ) '...

From the first line string of an item line --> ^LIN over line breaks --> [\s\S]* to the last line string of an item line --> ^DTM.*

From the first line string of an item line --> ^LIN over line breaks --> [\s\S]* to before (lookahead) the first line after the whole item line string --> (?=^UNS)

Same as "ORDERS96B MATCH ALL ITEM LINES METHOD 1" with a lazy quantifier to get multiple matches. This works only, if the last line of a item line elemet is known, otherwise try METHOD 2 From the first line string of an item line --> ^LIN over line breaks --> [\s\S]*? to the last line string of an ...

^LIN[\s\S]?(?=^LIN.?)|^LIN[\s\S]* FIRST PART From the first line string of an item line --> ^LIN over line breaks --> [\s\S]*? to before (lookahead) the next line element --> (?=^LIN.*?)...

Broadcast, Multicast and Intrado

Avoid Extra Spaces from https://medium.com/factory-mind/regex-cookbook-most-wanted-regex-aa721558c3c1