I have stored as |1|7|11| I need to use preg_match to check |7| is there or |11| is there etc, How do I do this?
Use \b
before and after the expression to match it as a whole word only:
$str1 = 'foo bar'; // has matches (foo, bar)
$str2 = 'barman foobar'; // no matches
$test1 = preg_match('/\b(foo|bar)\b/', $str1);
$test2 = preg_match('/\b(foo|bar)\b/', $str2);
var_dump($test1); // 1
var_dump($test2); // 0
So in your example, it would be:
$str1 = '|1|77|111|'; // has matches (1)
$str2 = '|01|77|111|'; // no matches
$test1 = preg_match('/\b(1|7|11)\b/', $str1);
$test2 = preg_match('/\b(1|7|11)\b/', $str2);
var_dump($test1); // 1
var_dump($test2); // 0
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