i want a code than checks the pattern and tell me if there a alphabet or alpha numeric is in the whole string,
i have done this:
<?
if(0 == preg_match_all ("|[0123456789_]|", "".$subject."", $string_out_array))
{
echo "only numeric allowed";
}
else
{
echo "done";
}
?>
this works fine if i enter a alphabet before a numeric I.e, a11(output "only numeric allowed") or only numeric I.e, 11(output "done") but not whens i enter a alphabet after the numeric I.e, 11a (output "done") but the output should be" only numeric allowed".
in short i want only numeric tobe entered,if any other character is entered then a error message should be displayed and vise-verse..please provide the code.
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02-12-2010, 08:56 PM #1<prantik>
Guestphp pattern check code wanted? 10pts for best answer?
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02-12-2010, 08:56 PM #2
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you're looking to start with numbers only, so your regular expression is wrong
try ^(\d|[_])*$
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