Created
April 23, 2019 03:00
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正则
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| @某人匹配 | |
| / @([^\s,%&.]+) / #排除空白字符，标点特殊标点符号 | |
| 用户名： | |
| /[^\s@,.%&]{1, 20}/ 排除空白字符，特殊标点符号，长度为1~20 |
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