Enclose a capturing group (\d) and the use prefix\${1} inside the replacement. Check out the PHP manual: $string = "April 15, 2003"; $pattern = "/(\w+) (\d+), (\d+)/i"; $replacement = "\${1}1,\$3"; "Gerardo Rojas" <grojas@strategicinc.com> wrote in message F0EDCD6B96C14741A2F6B0BE6EB7D9CF6D703B@scsprdm.strategicinc.com">news:F0EDCD6B96C14741A2F6B0BE6EB7D9CF6D703B@scsprdm.strategicinc.com... I have a regular expression, that finds what i want. The problem lies in that I don't want to replace this pattern with another. I want to prefix the pattern with a character. Any suggestions as to how I might accomplish this? regular expression = '/^\d\{1,2}\./' -- Gerardo S. Rojas mailto: grojas@strategicinc.com -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php