$re = '/^([A-zÀ-ÿ]{2,}([.-])?)+( ?(([A-zÀ-ÿ]){2,}([.-])?))* (([A-zÀ-ÿ]){2,}([.-])?)+$/m';
$str = 'xfbhc-xbfdfg fdhfdhdrhhdffh grgfdbdf ñÁ-ñÁ
dfgffsdfd-dfggsgsg sr. sfefsg
Roberto Jr.
Carlos-pablos Petrosyan jr.
carlos-pablos Petrosyan jr.
Rodrigo Jr. Ahora
Gabriel Ira rodrigez. jr.
Gabriel Ira rodr-igez. jr.
Ira Gabriel rodb nman-jnir ngor
Ira gabriel rodb nman-jnir. ngo
Gabriel Jr. Ira rodr-igez jr-
-------------------------------------------------------------
fdghdf dggdg dgdghdh dfff dgggddggdgh
Gabriel Ira rodr-igez. jr.
Gabriel Jr.. Ira rodr-igez. jr.
Gabriel.. Jr. Ira rodr-igez. jr.
rodrigo jr.. ahora
knlknllk k fgjnfn
hgh
hgghrhgfnf
jhdsbdhfbj
dfvdfvf sdvds ';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
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 PHP, please visit: http://php.net/manual/en/ref.pcre.php