Posted by Maarten on 10/06/05 16:55

"Tyrone Slothrop" <ts@paranoids.com> schreef in bericht
news:e8u8k1t9oo4sgsrmq8butngnqasqb5lvkr@4ax.com...
> On Wed, 5 Oct 2005 22:53:01 +0200, "Maarten" <rijt@dse.nl> wrote:
>
>>I've got the following problem.
>>
>>In a text field people can give their last name.
>>With this input an pdf file is created.
>>This works fine until a user has an space or an special character in their
>>lastname like '.
>>
>>I would like to do the following:
>>if a lastname contains other characters than normal letters replace them
>>with an underscore.
>>How can I do that?
>>
>>Maarten
>
> You need a regular expression.
>
> preg_replace ("/[^a-zA-Z]/e", "_", $string);

Is the following the same?

preg_replace('\\W', '_', $string);

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