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I'm looking the way to find one string in array of strings:

$array = ['string1'=>'custom', 'other string'=>'another', 'another'=>'again', 'custom'=>'pid|100', 'once again'=>'pid|'];

I need to find this element: pid|100;

String should containt: pid|any positive integer number

foreach($array as $value) { 
   // regular expression here
}

How can I found this value? Thanks!

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2 Answers 2

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12

You want to use preg_grep for this :)

print_r(preg_grep('/^pid\|[0-9]+$/',$array));
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2 Comments

Please take a look to my updated question. I have a bit another array.
It should act the same on associative arrays. If you only want the values you can use array_values on the return of preg_grep to make the results indexed.
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in_array(preg_match('/^pid\|[0-9]+$/',$your_array),$your_array);

OR

in_array(preg_grep('/^pid\|[0-9]+$/',$your_array),$your_array);

if you need to check this particular element i.e. pid|100 then just use in_array('pid|100',$your_array) there is no need to check using regular expression

hope this will help you in solve your problem

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2 Comments

Thank you. Take a look to my updated question please. My input data has another structure.
if you need to check this particular element i.e. pid|100 then just use in_array('pid|100',$your_array) there is no need to check using regular expression

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