<?php
// Everything you enter here will be executed by our servers. Try it!
if(preg_match("/^[0-9]+$/", '123')){
echo 'true';
}
else{
echo 'false';
}
if(preg_match("/^[0-9]+$/", '123.0')){
echo 'true';
}
else{
echo 'false';
}
if(preg_match("/^[0-9]+$/", '123,0')){
echo 'true';
}
else{
echo 'false';
}
if(preg_match("/^[0-9]+$/", '123aab0')){
echo 'true';
}
else{
echo 'false';
}
?>
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
- truefalsefalsefalse
preferences:
230.28 ms | 405 KiB | 314 Q