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  1. <?php
  2.  
  3. $strs = ['Connection variable = new DBConnection', 'variable = new DBConnection', '//Connection variable = new DBConnection', '//variable = new DBConnection'];
  4. $rx = '~^(\s*//)?(?:\s*Connection\s+)?(.+?)\s*=\s*new\s+DBConnection~';
  5. foreach ($strs as $s) {
  6. 	echo "$s:\n";
  7. 	if (preg_match($rx, $s, $m)) {
  8. 		if (empty($m[1])) {
  9. 			echo "FOUND:" . $m[0] . "\n--------------\n";
  10. 		}
  11. 	} else {
  12. 		echo "NOT FOUND\n--------------\n";
  13. 	}
  14. }
Success #stdin #stdout 0.02s 23636KB
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stdin
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Standard input is empty
stdout
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Connection variable = new DBConnection:
FOUND:Connection variable = new DBConnection
--------------
variable = new DBConnection:
FOUND:variable = new DBConnection
--------------
//Connection variable = new DBConnection:
//variable = new DBConnection:
https://ideone.com/XvqxWv
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
secret

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