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<?php $strings = [ 'one"two_"_"_three', 'one__two_"__three', 'one__two_"__""____"three', 'one__two___"""""""______three', ]; var_export( preg_replace('~["_]+~', '_', $strings) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'one_two_three', 1 => 'one_two_three', 2 => 'one_two_three', 3 => 'one_two_three', )

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