PHP preg replace only allow numbers

Question

How can I modify this existing preg replace to only allow numbers   function   cleanData  c         return preg replace     A-Za-z0-9         c

User · Accepted Answer

I think you re saying you want to remove all non-numeric characters  If so   D means  anything that isn t a digit    preg replace    D         c

User · Answer

This should do what you want   preg replace     0-9         c

User · Answer

You could also use T-Regx library   pattern   D  - gt remove  c    T-Regx also    Throws exceptions on fail  not false  null or warnings  Has automatic delimiters  delimiters are not required   Has a lot cleaner api

User · Answer

Try this   return preg replace     0-9         c

[php] PHP preg replace only allow numbers

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