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<?php $line = ' Attribute1.2 numeric O '; function normSpace($line) { preg_match_all('/[\w\d\.]+/', $line, $line); return implode(' ', $line[0]); } var_dump(normSpace($line));//string(22) "Attribute1.2 numeric O"
Output for git.master, git.master_jit, rfc.property-hooks
string(22) "Attribute1.2 numeric O"

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