在PHP中拆分包含多个字符的字符串

问题描述：

I have the following strings:

Pizza 'PizzaName' this is a certain pizza
Pizza 'NamePizza' this is a certain pizza
Pizza 'Hawaii' this is a certain pizza
Pizza 'Pepperoni' this is a certain pizza
Pizza is a very nice pizza

So I want the strings containing the (word) to be split after this word, but i don't want to split if there is not (word) in the string. So I do this:

if(strpos($title, "'" !== false)

This checks if the string contains the ' character. But now I have to split the string at the second '. Now I tried explode, but that gives me multiple variables in the array. I want there to be:

name
the substring

How can I do this? Is there a way to give the explode a variable to only split it after the second ' character?

EDIT: Sorry here is the result I want:

Pizza 'PizzaName' -> NAME
this is a certain pizza -> SUBSTRING

Pizza 'NamePizza'
this is a certain pizza

Pizza 'Hawaii'
this is a certain pizza

答

preg_split() will ONLY split the string (on the space between the two desired substrings) if there are two single quotes in the string.

[^']+     #match 1 or more non-single-quote characters
'         #match single quote
[^']+     #match 1 or more non-single-quote characters
'         #match single quote
\K        #forget previously matched characters and then match space

Code: (Demo) (Regex Demo)

$strings = [
    "Pizza 'PizzaName' this is a certain pizza",
    "Pizza 'NamePizza' this is a certain pizza",
    "Pizza 'Hawaii' this is a certain pizza",
    "Pizza 'Pepperoni' this is a certain pizza",
    "Pizza is a very nice pizza"
];
foreach ($strings as $string) {
    print_r(preg_split("~[^']+'[^']+'\K ~", $string));
}

Output:

Array
(
    [0] => Pizza 'PizzaName'
    [1] => this is a certain pizza
)
Array
(
    [0] => Pizza 'NamePizza'
    [1] => this is a certain pizza
)
Array
(
    [0] => Pizza 'Hawaii'
    [1] => this is a certain pizza
)
Array
(
    [0] => Pizza 'Pepperoni'
    [1] => this is a certain pizza
)
Array
(
    [0] => Pizza is a very nice pizza
)

To see over 100 more examples of using the awesomeness of \K, here are some of my posts.

在PHP中拆分包含多个字符的字符串

相关推荐