Etiqueta: strpos

$cadenas = ["pepe@pepe.com", "ola k ase??", "@@@....", "hola.ssss@mmv", "pepe.com", "pepe@pepe"];
//Recorrer con for
for ($i = 0; $i < count($cadenas); $i++) {
 echo ($i + 1) . ".- " . $cadenas[$i] . (esMail2($cadenas[$i]) ? '' : ' no ') . " es mail.<br/>";
}
//Recorrer con foreach
foreach($cadenas as $cadena){
 echo $cadena . (esMail3($cadena) ? '' : ' no ') . " es mail.<br/>";
}

function esMail($cadena) {
 $pos1 = strpos($cadena, "@");
 $pos2 = strpos($cadena, ".");
 if ($pos1 !== false && $pos2 !== false && $pos2 > $pos1) {
 return true;
 } else {
 return false;
 }
}

function esMail3($cadena) {
 $pos1 = strpos($cadena, "@");
 $pos2 = strpos($cadena, ".",$pos1);
 return ($pos1 != false && $pos2 !== false);
}
function esMail2($cadena) {
 
 if ($pos = strpos($cadena, "@")) {
 return strpos($cadena, ".", $pos);
 }
 return false;
}

function esMailReg($cadena){
 return preg_match(
'/^[^0-9][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[@][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[.][a-zA-Z]{2,4}$/',
$cadena);
}

function buscaMail($cadena){
 $pattern="/(?:[A-Za-z0-9!#$%&'*+=?^_`{|}~-]+(?:\.[A-Za-z0-9!#$%&'*+=?^_`{|}~-]+)*|\"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*\")@(?:(?:[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?\.)+[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[A-Za-z0-9-]*[A-Za-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])/";
 preg_match_all($pattern,$cadena,$mails);
 return $mails;
}