# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/^(?:[\+]{1})?(?:\([0-9]{1,2}\) ?)?(?:[0-9] ?-?){6,14}[0-9]$//gmi;t' <<< "+(57) 321 233 38 62
+(57)3212333862
+(57) 3212333862
+573212333862
+57 3212333862
+57 321 2333862
+57 321 233 38 62
+57 321 233 3862
+57 321-233-3862
57 3212333862
573212333862
3212333862
321 233 38 62
321 233 3862
321-233-3862
321-233-38-62
321-2333862
3212333862
0317245696
031 7245696
031 724 56 96
031 724 5696
031-7245696
031-724-56-96
031-724-5696
7245696
724 56 96
724 5696
724-56-96
724-5696"
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