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else in PCRE work such flag (?U:). I will put a space so that it can be seen
cat file
abcdtest123^ DUMMY testabcd12234 DUMMY bla blabla12231311313blabla bla.....,,,,,bla
grep -oP...

I'm probably a little wrong. the non-greedy expression on the left side allows you to not check the entire string, but limit itself to the first match. hence not a greedy expression faster and that's...

answered not in the case :confused:

here is opposites \K
grep -ioP 'project\D+(?=\d+\.([\d,a-z]+\.){1,}[\d,a-z]+|\d+\.[\d,a-z]+|\d+)'
maybe means forget all follows matches?

--- Post updated at 18:18 ---

exactly means forget...

Hi
It's a bit redundant
option -i applies to the whole template
grep -ioP 'project\D+\K(\d+\.([\d,a-z]+\.){1,}[\d,a-z]+|\d+\.[\d,a-z]+|\d+)'
if you want to limit it is better so
grep -oP...