Regular Expressions
Regular expressions are used to match patterns in strings.
PHP uses the PCRE library.
Example
Section titled “Example”$text = "Hello 123";
if (preg_match("/[0-9]+/", $text)) {echo "Number found";}Regular expressions are used to match patterns in strings.
PHP uses the PCRE library.
$text = "Hello 123";
if (preg_match("/[0-9]+/", $text)) {echo "Number found";}