Re: Warning: eregi() [function.eregi]: REG_ERANGE in ...

Hi > OK, I don't think I searched the web hard enough. I've not found a > definitive explanation, but I think the warning has something to do > with the dash symbols (\-) within the square brackets. Removing them - > changing them to the regular expression below - removes the warning > > '^[a-zA-Z0-9_.]+@[a-zA-Z0-9]+\.[a-zA-Z0-9.]+$' > Question is now, how am I supposed to match dash symbols? The problem is that you included the "\-" within SINGLE quotes. Escaping a character only works within double quotes. Go back to your original but substitute the ' for " around the expression. Like this: define("EMAIL_RE", "^[a-zA-Z0-9_\-.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-.]+$"); > > In one thread I read advised preg functions using the ereg functions. > I had ago with this, putting back in the dashes and changing the > regular expression to a perl RE: > > '/^[a-zA-Z0-9_\-.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-.]+$/' > > No warnings this time and it appears to work. I still welcome any > feedback on ereg if anyone wants to give any. -- Niel Archer