<?php $array = [ 'Bruce A Johnson', 'Maggie Q', 'L B Johnson', 'X', 'F Mercury', 'R O C K in the U S A' ]; var_export( preg_replace('/( )?\b\w\b(?(1)| ?)/', '', $array) ); echo "\n---\n"; var_export( preg_replace('/\b\w\b\s?/', '', $array) );
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