「php」正規表現式で数値と英字の桁数を指定するサンプル

2013年8月9日2021年8月5日

書式
/^[0-9a-z]{4}$/
使用例

<?php

$cft = "/^[0-9a-z]{4}$/"; //先頭末尾　数値0-9 英字a-z 4桁　

echo preg_match($cft,"4567") . " ";

echo preg_match($cft,"#a234") . " ";

echo preg_match($cft,"6134") . " ";

echo preg_match($cft,"1234b-") . " ";

<?php $cft = "/^[0-9a-z]{4}$/"; //先頭末尾　数値0-9 英字a-z 4桁　 echo preg_match($cft,"4567") . " "; echo preg_match($cft,"#a234") . " "; echo preg_match($cft,"6134") . " "; echo preg_match($cft,"1234b-") . " "; ?>

<?php
$cft = "/^[0-9a-z]{4}$/"; //先頭末尾　数値0-9 英字a-z 4桁　


echo preg_match($cft,"4567") . "<br>"; 
echo preg_match($cft,"#a234") . "<br>";

echo preg_match($cft,"6134") . "<br>";
echo preg_match($cft,"1234b-") . "<br>";
?>

結果
1
0
1
0

PHP

Posted by arkgame

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