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  1. <?php
  2. preg_match_all('([A-Z]+|[a-z]+)',"ABCcd", $matches);
  3. var_dump($matches);
  4. preg_match_all('([A-Z]+|[a-z]+)',"abCDE", $matches);
  5. print_r($matches);
  6. preg_match_all('([A-Z]+|[a-z]+)',"abCDEaaaauasUSSajaAyhAHhaAHHAhA", $matches);
  7. print_r($matches);
  8.  
Success #stdin #stdout 0.01s 82624KB
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Standard input is empty
stdout
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array(1) {
  [0]=>
  array(2) {
    [0]=>
    string(3) "ABC"
    [1]=>
    string(2) "cd"
  }
}
Array
(
    [0] => Array
        (
            [0] => ab
            [1] => CDE
        )

)
Array
(
    [0] => Array
        (
            [0] => ab
            [1] => CDE
            [2] => aaaauas
            [3] => USS
            [4] => aja
            [5] => A
            [6] => yh
            [7] => AH
            [8] => ha
            [9] => AHHA
            [10] => h
            [11] => A
        )

)
https://ideone.com/qITPI4
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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