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        从字符串 sql server 中删除数字

        Remove numbers from string sql server(从字符串 sql server 中删除数字)

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                  本文介绍了从字符串 sql server 中删除数字的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我有一个大型数据库,我想在其中进行部分字符串搜索.用户将输入字符:JoeBloggs.

                  I have a large database in which I want to do a part string search. The user will enter characters: JoeBloggs.

                  为了争论,如果我在数据库中有一个名字Joe 23 Blo Ggs 4.我想删除 A-Z 以外的名称中的所有内容.

                  For arguments sake if I had a name Joe 23 Blo Ggs 4 in the database. I want to remove everything in the name other than A-Z.

                  我有 REPLACE(Name, ' ','') 函数来删除空格和 UPPER() 函数来将名称大写.

                  I have the REPLACE(Name, ' ','') function to remove spaces and the UPPER() function to capitalize the name.

                  是否有更有效的快速方法可以通过正则表达式来替换 A-Z 以外的任何内容.我无法更改数据库中的值.

                  Is there a more efficient fast way maybe by terms of regex to replace anything other than A-Z. I cannot change the values in the database.

                  推荐答案

                  第一个选项 -

                  您可以将 REPLACE() 函数嵌套到 32 层深.它运行得很快.

                  You can nest REPLACE() functions up to 32 levels deep. It runs fast.

                  REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE
                  (REPLACE (@str, '0', ''),
                  '1', ''),
                  '2', ''),
                  '3', ''),
                  '4', ''),
                  '5', ''),
                  '6', ''),
                  '7', ''),
                  '8', ''),
                  '9', '')
                  

                  第二个选项——做相反的 -

                  2nd option -- do the reverse of -

                  从数字中移除非数字数据 + SQL

                  第三个选项 - 如果你想使用正则表达式

                  3rd option - if you want to use regex

                  然后http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=27205

                  这篇关于从字符串 sql server 中删除数字的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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