? There is a string to be sentenced, the string can only contain English, Word, the next? and "\",??? How is it?? Formal form,??。
Reply to discussion (solution)
/^[\w\\]+$/
/^[\w\\]+$/
Hello, I have adopted?? method, but program?? , MA ' am? Look
echo " ";
function Ispassword ($STR) {
if (Preg_match ('/^[\w\\]+$/', $str)) {
return true;
}else {
return false;
}
}
$password = ' this_is_test_\thisstr ';
if (Ispassword ($password)) {
echo ' conform ';
}else {
Echo ' does not conform ';
}
?>
Program?? ：( ! ) Warning:preg_match () [Function.preg-match]: compilation failed:missing terminating] for character class at offset 8
I change if (Preg_match ('/^[\w\\]+$/', $str))? if (Preg_match ('/^[\w\\\]+$/', $str))? It's OK. Did you miss the reason?
Yes
This is related to the PHP version
Yes
This is related to the PHP version
?? Moderator..??..
