# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/^\D*(\b\d+([,.]\d+)*\b).*$/$1/gm;t' <<< "Test 120,00 Euro yaddayadda
200 € with 18 months of blablabla
3.000,65 € something . And here s something more with 0815. And more.
1 Euro
Last item for 5.234.789,00 Euro."
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html