Hi
How can I check a string in php for specific characters such as '#' or '\'?
I don't really want to use replace, just return true or false.
Thanks
Hi
How can I check a string in php for specific characters such as '#' or '\'?
I don't really want to use replace, just return true or false.
Thanks
use the function strstr http://us2.php.net/manual/en/function.strstr.php Returns part of haystack string from the first occurrence of needle to the end of haystack
Note: If you only want to determine if a particular needle occurs within haystack , use the faster and less memory intensive function strpos() instead.
You can use the strpos
function, if you only want to know if a string contains another one (the content of your questions seems to indicate that, even if your title says "remove").
Note : don't forget to use the !==
or ===
operator, as the function can return 0 or false, and those have different meaning.
If you want to "remove" characters, str_replace
or strtr
might do the trick.
You can do something like this:
if (strpos($string, '#') !== false || strpos($string, '\') !== false) {
// One of those two characters is in the string.
}
Note in particular the !==
syntax, which differentiates between false
(meaning the character isn't found) and 0
(meaning it was found at position 0
).