zoukankan      html  css  js  c++  java
  • sql server 正则匹配查询数据

     1 IF OBJECT_ID (N'dbo.RegexMatch') IS NOT NULL
     2    DROP FUNCTION dbo.RegexMatch
     3 GO
     4 ALTER FUNCTION dbo.RegexMatch
     5     (
     6       @pattern VARCHAR(2000),
     7       @matchstring VARCHAR(MAX)--Varchar(8000) got SQL Server 2000
     8     )
     9 RETURNS INT
    10 /* The RegexMatch returns True or False, indicating if the regular expression matches (part of) the string. (It returns null if there is an error).
    11 When using this for validating user input, you'll normally want to check if the entire string matches the regular expression. To do so, put a caret at the start of the regex, and a dollar at the end, to anchor the regex at the start and end of the subject string.
    12 */ 
    13 AS BEGIN
    14 
    15     DECLARE @objRegexExp INT,
    16         @objErrorObject INT,
    17         @strErrorMessage VARCHAR(255),
    18         @hr INT,
    19         @match BIT 
    20 
    21      
    22     SELECT  @strErrorMessage = 'creating a regex object'
    23     EXEC @hr= sp_OACreate 'VBScript.RegExp', @objRegexExp OUT
    24     IF @hr = 0 
    25         EXEC @hr= sp_OASetProperty @objRegexExp, 'Pattern', @pattern
    26         --Specifying a case-insensitive match 
    27     IF @hr = 0 
    28         EXEC @hr= sp_OASetProperty @objRegexExp, 'IgnoreCase', 1
    29         --Doing a Test' 
    30     IF @hr = 0 
    31         EXEC @hr= sp_OAMethod @objRegexExp, 'Test', @match OUT, @matchstring
    32     IF @hr <> 0 
    33         BEGIN
    34             RETURN NULL
    35         END
    36     EXEC sp_OADestroy @objRegexExp
    37     RETURN @match
    38    END
    39 GO
    40 
    41 --修改变量启用
    42 sp_configure 'show advanced options', 1;
    43 GO
    44 RECONFIGURE;
    45 GO
    46 sp_configure 'Ole Automation Procedures', 1;
    47 GO
    48 RECONFIGURE;
    49 GO
    50 
    51 EXEC sp_configure 'Ole Automation Procedures';
    52 GO 
    53 
    54 
    55 --测试 匹配两个相同的单词
    56 SELECT dbo.RegexMatch('("([A-Za-z0-9]+) +1)','"test test asdas')
  • 相关阅读:
    LoadRunner压力测试心得总结
    Http和Socket连接区别
    转:Socket服务器整体架构概述
    Nginx 反向代理、负载均衡、页面缓存、URL重写及读写分离详解 (转载)
    LoadRunner中winsocket协议学习
    Digest Authentication 摘要认证
    Http Digest认证协议
    Http authentication(BASIC, DIGEST)
    redis php 执行命令时,单引号和双引号的区别。
    php 生成下载连接
  • 原文地址:https://www.cnblogs.com/Gold-fangjin/p/14582406.html
Copyright © 2011-2022 走看看