v::alnum()
v::alnum(string $additionalChars)
Validates alphanumeric characters from a-Z and 0-9.
v::alnum()->validate('foo 123'); //true
A parameter for extra characters can be used:
v::alnum('-')->validate('foo - 123'); //true
This validator allows whitespace, if you want to
remove them add ->noWhitespace()
to the chain:
v::alnum()->noWhitespace()->validate('foo 123'); //false
You can restrict case using the ->lowercase()
and
->uppercase()
validators:
v::alnum()->uppercase()->validate('aaa'); //false
Message template for this validator includes {{additionalChars}}
as
the string of extra chars passed as the parameter.
See also: