一、需求:把字符串按照給定拆分符(字符或字符串)拆分開:例如: a.字符拆分: a1: 1001,ziweiyi,abcd (末尾無拆分符) 按照' ,'拆分開成:1001 ziweiyi abcd a2: 1001,ziweiyi,abcd, (末尾有拆分符) 按照' ,'拆分開成:1001 ziweiyi abcd b.字符串拆分: b1: 1001brziweiyibrabcd (末尾無拆分符) 按照“br”拆分開成:1001 ziweiyi abcd b2: 1001brziweiyibrabcdbr (末尾有拆分符) 按照“ br”拆分開成:1001
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