diff --git a/config.c b/config.c
index dd4300e3..1f779724 100644
--- a/config.c
+++ b/config.c
@@ -1239,6 +1239,7 @@ parse_section_url(struct context *ctx)
         regex_t preg;
 
         int r = regcomp(&preg, regex, REG_EXTENDED);
+
         if (r != 0) {
             char err_buf[128];
             regerror(r, &preg, err_buf, sizeof(err_buf));
diff --git a/doc/foot.ini.5.scd b/doc/foot.ini.5.scd
index ddf5ce84..a23e3977 100644
--- a/doc/foot.ini.5.scd
+++ b/doc/foot.ini.5.scd
@@ -786,7 +786,7 @@ xdgtoken=95ebdfe56e4f47ddb5bba9d7dc3a2c35
 	URL regex to use when auto-detecting URLs. The format is
 	"POSIX-Extended Regular Expressions".
 	
-	Default: _TODO_
+	Default: _([a-z][[:alnum:]-]+:(/{1,3}|[a-z0-9%])|www[:digit:]{0,3}[.])([^[:space:](){}<>]+|\(([^[:space:](){}<>]+|(\([^[:space:](){}<>]+\)))\*\)|\[([^]\[[:space:](){}<>]+|(\[[^]\[[:space:](){}<>]+\]))\*\])+(\(([^[:space:](){}<>]+|(\([^[:space:](){}<>]+\)))\*\)|\[([^]\[[:space:](){}<>]+|(\[[^]\[[:space:](){}<>]+\]))\*\]|[^]\[[:space:]`!(){};:'".,<>?«»“”‘’])_
 
 # SECTION: cursor
 
diff --git a/foot.ini b/foot.ini
index ae0002d4..85f3c861 100644
--- a/foot.ini
+++ b/foot.ini
@@ -69,7 +69,8 @@
 # launch=xdg-open ${url}
 # label-letters=sadfjklewcmpgh
 # osc8-underline=url-mode
-# regex=TODO
+# regex=([a-z][[:alnum:]-]+:(/{1,3}|[a-z0-9%])|www[:digit:]{0,3}[.])([^[:space:](){}<>]+|\(([^[:space:](){}<>]+|(\([^[:space:](){}<>]+\)))*\)|\[([^]\[[:space:](){}<>]+|(\[[^]\[[:space:](){}<>]+\]))*\])+(\(([^[:space:](){}<>]+|(\([^[:space:](){}<>]+\)))*\)|\[([^]\[[:space:](){}<>]+|(\[[^]\[[:space:](){}<>]+\]))*\]|[^]\[[:space:]`!(){};:'".,<>?«»“”‘’])
+
 
 
 [cursor]