- * the PCRE regular expression.
- *
- * 'code', 'extra', 'options', 'ovector' and 'ovecsize' are passed
- * through to the pcre_exec function. See pcreapi(3).
- *
- * If you want to match multiple strings, you have to combine them
- * into a single regexp, eg. "([Pp]assword)|([Ll]ogin)|([Ff]ailed)".
- * Then examine ovector[2], ovector[4], ovector[6] to see if they
- * contain '>= 0' or '-1'. See the pcreapi(3) man page for further
- * information.
- *
- * 'code' may be NULL, which means we don't match against a regular
- * expression. This is useful if you just want to wait for EOF or
- * timeout.