Remove special characters from a database field

前端未结
关注
 10  1683
梦如初夏 2020-12-06 01:00
I have a database with several thousand records, and I need to strip down one of the fields to ensure that it only contains certain characters (Alphanumeric, spaces, and sin
10条回答
鱼传尺愫 (楼主)
2020-12-06 01:59
There is no regular expression replacement. Use the following code to replace all special characters with '-'.
UPDATE  SET  = REPLACE ( REPLACE ( REPLACE ( REPLACE ( REPLACE ( REPLACE ( REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (REPLACE (, '/', '-'), ',', '-'), '.', '-'), '<', '-'), '>', '-'), '?', '-'), ';', '-'), ':', '-'), '"', '-'), "'", '-'), '|', '-'), '\\', '-'), '=', '-'), '+', '-'), '*', '-'), '&', '-'), '^', '-'), '%', '-'), '$', '-'), '#', '-'), '@', '-'), '!', '-'), '~', '-'), '`', '-'), '', '-'), '{', '-' ), '}', '-' ), '[', '-' ), ']', '-' ), '(', '-' ), ')', '-' )


Code formatted 

UPDATE
    

SET
     =
REPLACE
    (
    REPLACE
        (
        REPLACE
            (
            REPLACE
                (
                REPLACE
                    (
                    REPLACE
                        (
                        REPLACE
                            (
                            REPLACE
                                (
                                REPLACE
                                    (
                                    REPLACE
                                        (
                                        REPLACE
                                            (
                                            REPLACE
                                                (
                                                REPLACE
                                                    (
                                                    REPLACE
                                                        (
                                                        REPLACE
                                                            (
                                                            REPLACE
                                                                (
                                                                REPLACE
                                                                    (
                                                                    REPLACE
                                                                        (
                                                                        REPLACE
                                                                            (
                                                                            REPLACE
                                                                                (
                                                                                REPLACE
                                                                                    (
                                                                                    REPLACE
                                                                                        (
                                                                                        REPLACE
                                                                                            (
                                                                                            REPLACE
                                                                                                (
                                                                                                REPLACE
                                                                                                    (
                                                                                                    REPLACE
                                                                                                        (
                                                                                                        REPLACE
                                                                                                            (
                                                                                                            REPLACE
                                                                                                                (
                                                                                                                REPLACE
                                                                                                                    (
                                                                                                                    REPLACE
                                                                                                                        (
                                                                                                                    REPLACE
                                                                                                                        (, '/', '-'),
                                                                                                                        ',',
                                                                                                                        '-'
                                                                                                                    ),
                                                                                                                    '.',
                                                                                                                    '-'
                                                                                                                ),
                                                                                                                '<',
                                                                                                                '-'
                                                                                                            ),
                                                                                                            '>',
                                                                                                            '-'
                                                                                                        ),
                                                                                                        '?',
                                                                                                        '-'
                                                                                                    ),
                                                                                                    ';',
                                                                                                    '-'
                                                                                                ),
                                                                                                ':',
                                                                                                '-'
                                                                                            ),
                                                                                            '"',
                                                                                            '-'
                                                                                        ),
                                                                                        "'",
                                                                                        '-'
                                                                                    ),
                                                                                    '|',
                                                                                    '-'
                                                                                ),
                                                                                '\\',
                                                                                '-'
                                                                            ),
                                                                            '=',
                                                                            '-'
                                                                        ),
                                                                        '+',
                                                                        '-'
                                                                    ),
                                                                    '*',
                                                                    '-'
                                                                ),
                                                                '&',
                                                                '-'
                                                            ),
                                                            '^',
                                                            '-'
                                                        ),
                                                        '%',
                                                        '-'
                                                    ),
                                                    '$',
                                                    '-'
                                                ),
                                                '#',
                                                '-'
                                            ),
                                            '@',
                                            '-'
                                        ),
                                        '!',
                                        '-'
                                    ),
                                    '~',
                                    '-'
                                ),
                                '`',
                                '-'
                            ),
                            '',
                            '-'
                        ),
                        '{',
                        '-'
                    ),
                    '}',
                    '-'
                ),
                '[',
                '-'
            ),
            ']',
            '-'
        ),
        '(',
        '-'
    ),
    ')',
    '-'
)

                                                        

              
                
                0
              
                   
                
               讨论(0)
              
                                                  
              
              
                          
             
       
          
              
                                       
     查看其它10个回答


            

                    


               
            
    发布评论:
    
         
                        
    
    提交评论 
  
  

                    
                    
                    
                        
                        
                         加载中...
                        
                    
                

          
            
            
              
              
            
    


                                 
              
            
                          
    

        
         
                验证码
                
                  
                
                
                   看不清?
                
              
                                  
                    
   
                 
             
              提交回复
            
          
        

          
 
     
 
        热议问题