note 2668 deleted from function.ereg-replace by jimw

When trying to represent a literal backslash in a regexp, your source code needs to contain *four* contiguous backslashes (which become two actual backslashes once your double-quoted string is parsed). Example: <pre>$footer = ereg_replace("\\\\\"", "\"", $footer);</pre> This is unexpected, because it's different from the standard set by Perl -- although Perl would probably be the same way if a regexp were being specified in a string instead of in the // construct. [Ed. note-This has nothing to do with regexps per se. If you use single-quoted strings, you will find that you need only the same number of backslashes as you did in perl. When using double-quoted strings, the extra slashes are needed to prevent PHP from interpolating the sequence before passing it to the regexp engine.]