BetterPHP

Could someone help me create something that checks if a string contains any of these characters,
\/:*?"<>|

Just point me in the right direction, thanks (I'm guessing preg?)

you could just use preg_match

if (preg_match('#[\\/:\*\?"<>\|]+#', $text) === 1){
    // it contains at least one of those.
}

I'm not 100% sure which characters need to be escape in the [] though.

jacek wrote:I'm not 100% sure which characters need to be escape in the [] though.

That depends on what.. umm that # thingy you choose (forgot the name, ill probably find it in php.net).
# is the best for most cases, you can use any character but you must escape it in the regex.

I think it's called a hash sign/symbol. In the expression itself it's called an expression delimiter because it tells where the end and begin of the expression is (excluding the optional flag after the second delimiter).

Kamal wrote:That depends on what.. umm that # thingy you choose (forgot the name, ill probably find it in php.net).
# is the best for most cases, you can use any character but you must escape it in the regex.

Well yeah, there are some control characters and the # in this case that would need to be escape, I just cant remember which of that list are control characters, I think I had a pretty good guess though,

In that list, I think you did. I don't think any of the other characters have any special meaning.

The only one I'm not 100% sure of is the colon.

I'll try it out. If it doesn't work I'll let you know