How can preg_replace be used to replace specific patterns in a string in PHP?

To replace specific patterns in a string in PHP, you can use the preg_replace function. This function allows you to search for a specific pattern using a regular expression and replace it with a specified value. By using preg_replace, you can easily manipulate strings by replacing certain patterns with desired values. 

$string = "Hello, my name is [NAME] and I am [AGE] years old.";
$pattern = "/\[NAME\]/";
$replacement = "John";
$new_string = preg_replace($pattern, $replacement, $string);

echo $new_string;

Keywords

preg_replace specific patterns string PHP

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