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<?php $str = "91018,4551,67),(91019,4551,70),(91020,4551,80),"; $pattern = '/(,)$/'; $str2 = preg_replace($pattern,'', $str); echo $str2;
Output for git.master, git.master_jit, rfc.property-hooks
91018,4551,67),(91019,4551,70),(91020,4551,80)

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