Why not simply : "[a-zA-Z0-9]+" that would match any sequence of letters or
numbers ?

----- Mensaje original -----
De: "Jennifer Arcino Demeterio" <[EMAIL PROTECTED]>
Enviado: lundi 16 juillet 2001 04:35
Asunto: [PHP-DB] problem with regular expression

i have a script to identify if the input is a combination of letters and

if (eregi("[a-zA-Z0-9][0-9]+[a-zA-Z][0-9a-zA-Z]",$fieldvalue))
print "alphanumeric"
} else {
not an alphanumeric

my problem is, when the string ends with a number, for example hello123, it
says "not an alpanumeric" ... it works fine when the number is placed before
the letters or in between letters ... why is that?

i would really appreciate your help, thanks very much


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