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preg_last_error_msg

(PHP 8)

preg_last_error_msg — Returns the error message of the last PCRE regex execution

Description

preg_last_error_msg(): string

Returns the error message of the last PCRE regex execution.

Parameters

This function has no parameters.

Return Values

Returns the error message on success, or "No error" if no error has occurred.

Examples

Example #1 preg_last_error_msg() example

<?php

preg_match('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');

if (preg_last_error() !== PREG_NO_ERROR) {
echo preg_last_error_msg();
}

?>

The above example will output:

Backtrack limit exhausted

See Also