<?php
function tryGetPhoneNumber($input) {
if (preg_match('/(?<phoneNumber>\d{3}-\d{3}-\d{4})/', $input, $match)) {
return $match['phoneNumber'];
}
return false;
}
$value = tryGetPhoneNumber("I'm going to call 555-123-4567 tomorrow.");
if (is_string($value)) {
var_dump($value);
} else {
echo 'No phone number.';
}
- Output for 4.4.6 - 4.4.9, 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- string(12) "555-123-4567"
- Output for 4.3.11, 4.4.0 - 4.4.5, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.1
- Warning: preg_match(): Compilation failed: unrecognized character after (?< at offset 3 in /in/JDY8F on line 4
No phone number.
- Output for 4.3.0 - 4.3.10
- Warning: Compilation failed: unrecognized character after (?< at offset 3 in /in/JDY8F on line 4
No phone number.
preferences:
205.16 ms | 402 KiB | 396 Q