正则表达式在MS SQL Server中的应用
正则表达式在MSSQLServer中的应用Oracle数据库默认就提供了正则表达式（详见维基百科）支持，如：REGEXP_LIKE()，REGEXP_INSTR()，REGEXP_SUBSTR()，REGEXP_REPL
SQL Server Management Studio，登录并指定要使用正则表达式的库，香港虚拟主机，打开并执行部署脚本即可。
验证：
说明：
1. 此处使用Oracle原生函数执行结果和自行编写的CLR执行结果进行对比；
2. 正则表达式'(\w)\1'的作用：匹配字符串中重复出现的任何单词字符；
（放在当前的语境中，就是找出用户表姓名字段中包含叠字的信息
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