portfolio > sandbox > Test AutoLink Test AutoLink $text = ereg_replace("(https?|ftp)(://[[:alnum:]\+\$\;\?\.%,!#~*/:@&=_-]+)", "<a href=\"\\1\\2\" target=\"_blank\">\\1\\2</a>",$text); input :ブログ -> http://blog.makotokw.com/output: ブログ -> http://blog.makotokw.com/