WordPress at Your Fingertips
filter is not described

woocommerce_email_format_string_find filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_email_format_string_find', 'filter_function_name_457', 10, 2 );
function filter_function_name_457( $legacy_find, $that ){
	// filter...

	return $legacy_find;
}
$legacy_find
-
$that
-

Where the hook is called

WC_Email::format_string()
woocommerce_email_format_string_find
woocommerce/includes/emails/class-wc-email.php 302
$string = str_replace( apply_filters( 'woocommerce_email_format_string_find', $legacy_find, $this ), apply_filters( 'woocommerce_email_format_string_replace', $legacy_replace, $this ), $string );

Where in WP core the hook is used WooCommerce

Usage not found.