[RESOLVED] ereg - how to add whitespace

[ColdFusion]

Hi all,

I've been out of PHP for a little while, so getting back to using regular expressions is starting to confuse a little... again :p

Basically I am creating a rule which will needs to do the following:

• must contain at least a letter [A-Za-z]
• could contain a number [0-9] (optional)
• could contain whitespace [\n] (optional)

$var = "Freddy123";
ereg("\s*[A-Za-z]", $var);

this is what Ive managed to produce so far, but I cant seem to figuring out to include the optional numerics part -> [0-9] - would I need to put a * infront of them too since its optional that they would be there?

A rule like this -> [0-9A-Za-z] meets most of my needs but I do need it to allow whitespace also (space) ... Im not sure how to enter that into the above rule so could anyone please provide me with some hints?

Thanks

[laserlight]

You might try something along the lines of:

preg_match('/^[A-Za-z]+\d*\s*$/', $var)

[NogDog]

if(preg_match('/^[a-z0-9\s]*[a-z][a-z0-9\s]*$/i', $string))
{
  // valid
}
else
{
  // not valid
}

[ColdFusion]

Thank you both for your replies, they worked perfectly 🙂