"; $name = "John Green"; echo "
"; if (preg_match("/^[a-zA-Z ]*$/", $name)) { echo '"John Green" is OK.'; } else { echo '"John Green" is not OK.'; } $name = "John-Paul"; echo "
"; if (preg_match("/^[a-zA-Z ]*$/", $name)) { echo '"John-Paul" is OK.'; } else { echo '"John-Paul" is not OK.'; } echo "

"; $a_string = "abc12def34gh567ij"; preg_match_all("/[0-9]+/", $a_string, $matches); print_r($matches); echo "
"; $subject = 'Give me 10 eggs'; $pattern = '~\b(\d+)\s*(\w+)$~'; $success = preg_match($pattern, $subject, $matches); if ($success) { echo "Match: " . $matches[0] . "
"; echo "Group 1: " . $matches[1] . "
"; echo "Group 2: " . $matches[2] . "
"; } echo ""; ?>