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<?php $string = "My text has so much whitespace Plenty of spaces and tabs"; //Remove duplicate newlines $string = preg_replace("/[\n]*/", "\n", $string); //Preserves newlines while replacing the other whitspaces with single space var_export( preg_replace("/[ \t]*/", " ", $string) );
Output for git.master, git.master_jit, rfc.property-hooks
' M y t e x t h a s s o m u c h w h i t e s p a c e P l e n t y o f s p a c e s a n d t a b s '

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