<?php
function check($value) {
return (bool)preg_match('/^\p{Lu}{1}$/', $value);
};
$test = 'ะค';
var_dump(check($test));
- Output for 4.4.0 - 4.4.9, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.2.18, 8.3.0 - 8.3.6
- bool(false)
- Output for 4.3.11, 5.0.0 - 5.0.4
- Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/jU4NX on line 5
bool(false)
- Output for 4.3.0 - 4.3.10
- Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/jU4NX on line 5
bool(false)
preferences:
303.92 ms | 402 KiB | 457 Q