In what scenarios would it be more appropriate to use preg_match() over strpos() in PHP?

When you need to check for a specific pattern or format within a string, it would be more appropriate to use preg_match() over strpos(). preg_match() allows for the use of regular expressions to define complex patterns, while strpos() is limited to simple string matching. 

// Using preg_match() to check for a specific pattern in a string
$string = "Hello, World!";
$pattern = '/^Hello/';
if (preg_match($pattern, $string)) {
    echo "Pattern found in the string.";
} else {
    echo "Pattern not found in the string.";
}

Keywords

preg_match strpos PHP string manipulation regular expressions

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