MySQL Removing trailing linebreaks from a column

Question

I want to remove trailing line breaks from my MySQL column. trim() only removes whitespaces but I also want to remove trailing linebreaks. Could anyone suggest?

Answer 1

Just ran into this problem, and took care of it like this.

UPDATE table_name SET col_name = REPLACE(TRIM(TRAILING ' ' FROM col_name), 
                                         TRIM(TRAILING '\r' FROM col_name), 
                                         TRIM(TRAILING '\n' FROM col_name))

This will remove new lines (\n), carriage returns (\r), and whitespace.

Answer 2

Try something like this:

REPLACE(FIELD,'\r\n',' ')

Answer 3

You can replace these directly from SQL by matching "\r" at the end, then replacing that "\r".

Example:

UPDATE Person SET firstName = REPLACE(firstName, '\n', '')
where firstName LIKE '%\n'

or

UPDATE Person SET firstName = REPLACE(firstName, '\r', '')
where firstName LIKE '%\r'

Answer 4

Another vote for Wallack's idea, but more specifically:

Update YOURTABLENAME set YOURCOLUMNNAME = replace(YOURCOLUMNNAME, '\r\n','')

Essentially this should replace carriage returns and breaks with nothing.

Good luck.

Answer 5

This will remove all escape characters:

TRIM(TRAILING '\\' FROM (REPLACE(REPLACE(REPLACE(column_name, '\n', ' '), '\r', ' '), '\\', ' ')))

Answer 6

Based on EternalHour's answer:

UPDATE TABLE_NAME SET `COLUMN_NAME` = TRIM(TRIM(TRAILING '\r' FROM TRIM(TRAILING '\n' FROM TRIM(`COLUMN_NAME`))))

this one removes trailing \r\n one by one, so either it is a newline or a carriage return or both, it will be stripped, and also removes whitespaces before and after the process.