Online PHP editor | refs for vYshV

<?php $string = '100% Pure Body Butters French Lavender 3.4 fl. Oz'; $replacements = array( 'oz' => '', 'Oz' => '', ); $delimiter = '/'; $words = array_keys( $replacements); $regex = $delimiter . '\b(' . implode('|', array_map( 'preg_quote', $words, array_fill( 0, count( $words), $delimiter))) . ')\b' . $delimiter; $result = preg_replace_callback( $regex, function( $match) use( $replacements) { return $replacements[$match[1]]; }, $string); echo $result;