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  1. <?php
  2.  
  3. if ($argc < 2) {
  4.     die("usage: {$argv[0]} <string> [ <string> ... ]");
  5. }
  6.  
  7. $regex = '/卡拉\w+可夫/u';
  8. for ($i = 1; $i < $argc; ++$i) {
  9.     $mres = preg_match($regex, $argv[$i], $matches);
  10.     echo "preg_match claims {$mres} match for $regex in {$argv[$i]}\n";
  11.     print_r($matches);
  12. }
  13.  
Success #stdin #stdout 0.01s 20568KB
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stdin
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卡拉可夫 卡拉稀泥可夫 卡拉OK可夫 卡拉OK和稀泥可夫 卡拉_可夫 卡拉*可夫
stdout
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1
Array
(
    [0] => prog.php
)
usage: prog.php <string> [ <string> ... ]
https://ideone.com/gBTeGO
demo for php regex /u switch
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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