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Correct sed regex

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Corrects issue #3285.

The '?' character after a group is not supported in POSIX Basic Regular Expressions. Replacing it with '\{0,1\}' retains the same functionality and also works on non-GNU systems.
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Nate 2020-12-06 22:45:42 +07:00 committed by GitHub
parent fe1136aa95
commit 94bba4ac9c
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2
dnsapi/dns_duckdns.sh
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@ -96,7 +96,7 @@ dns_duckdns_rm() {
_duckdns_get_domain() {
# We'll extract the domain/username from full domain
_duckdns_domain="$(printf "%s" "$fulldomain" | _lower_case | _egrep_o '^(_acme-challenge\.)?[a-z0-9-]*\.duckdns\.org' | sed 's/^\(_acme-challenge\.\)\?\([a-z0-9-]*\)\.duckdns\.org/\2/')"
_duckdns_domain="$(printf "%s" "$fulldomain" | _lower_case | _egrep_o '^(_acme-challenge\.)?[a-z0-9-]*\.duckdns\.org' | sed 's/^\(_acme-challenge\.\)\{0,1\}\([a-z0-9-]*\)\.duckdns\.org/\2/')"
if [ -z "$_duckdns_domain" ]; then
_err "Error extracting the domain."