14,962
edits
Data cleaning: Difference between revisions
Jump to navigation
Jump to search
→Numeric only
m (→Numeric only) |
|||
| Line 262: | Line 262: | ||
MySQL: | MySQL: | ||
* find numeric values {{code | code = SELECT * FROM `my_table` WHERE `my_column` REGEXP '^[0-9]+$'}}<ref>[http://stackoverflow.com/questions/14343767/mysql-regexp-with-and-numbers-only regex - Mysql REGEXP with . and numbers only - Stack Overflow]</ref> | * find numeric values {{code | code = SELECT * FROM `my_table` WHERE `my_column` REGEXP '^[0-9]+$'}}<ref>[http://stackoverflow.com/questions/14343767/mysql-regexp-with-and-numbers-only regex - Mysql REGEXP with . and numbers only - Stack Overflow]</ref> | ||
* find NOT numeric values {{code | code = SELECT * FROM `my_table` WHERE `my_column` NOT REGEXP '^[0-9]+$'}} | * find '''NOT''' numeric values {{code | code = SELECT * FROM `my_table` WHERE `my_column` NOT REGEXP '^[0-9]+$'}} | ||
Excel: | Excel: | ||
| Line 268: | Line 268: | ||
[https://www.google.com/sheets/about/ Google Sheets] | [https://www.google.com/sheets/about/ Google Sheets] | ||
* Using [https://support.google.com/docs/answer/3098292?hl=zh-Hant REGEXMATCH], [https://support.google.com/docs/answer/3094140?hl=zh-Hant TRIM] & [https://support.google.com/docs/answer/3093592?hl=zh-Hant CONCAT]<ref>[https://errerrors.blogspot.tw/2015/08/google.html GOOGLE 試算表: 數字轉成文字]</ref> functions: {{ | * Using [https://support.google.com/docs/answer/3098292?hl=zh-Hant REGEXMATCH], [https://support.google.com/docs/answer/3094140?hl=zh-Hant TRIM] & [https://support.google.com/docs/answer/3093592?hl=zh-Hant CONCAT]<ref>[https://errerrors.blogspot.tw/2015/08/google.html GOOGLE 試算表: 數字轉成文字]</ref> functions: {{code | code = <nowiki>=IF(REGEXMATCH(CONCAT("", TRIM(A1)), "^\d+$"), 1, "")</nowiki>}} If A1 cell is numeric will return 1, else return empty. If A1 cell contains [https://en.wikipedia.org/wiki/Scientific_notation Scientific notation] will return empty. | ||
<pre> | <pre> | ||
test data: | test data: | ||