| Manuál PHP | ||
|---|---|---|
| PÅ™edcházejÃcà | Dalšà | |
ctype_alnum
Popis
bool ctype_alnum ( string text )
Checks if all of the characters in the provided string,
text, are alphanumeric. In the standard
C locale letters are just [A-Za-z]
and the function is equivalent to
preg_match('/^[a-z0-9]+$/iD', $text).
Návratové hodnoty
Returns TRUE if every character in text is either
a letter or a digit, FALSE otherwise.
PÅ™Ãklady
| PÅ™edcházejÃcà | Domů | Dalšà |
| Character Type Functions | Nahoru |