1. deduplication
If the data in the text is a row or a row with duplicate content, the deduplication method is file-sort-advanced sort/option, and "delete duplicate" is selected ".
2. garbled characters after searching
Save the file as text in UTF-16 format. The code page must be set:
Advanced -- set the code page/local, "installed code page in the system", and select "936 (ANSI/oem-Simplified Chinese GBK )";
Select "Chinese (China) People's Republic of China" for "region where the system is already installed ".
3. Regular Expression (ultraedit syntax ):
%Match the first line-indicates that the string to be searched must be the first line.
$Match the end of the row-indicates that the string to be searched must be at the end of the row.
?Match any single character except the line break.
*Match any number of characters (excluding line breaks)
+Match the leading character or expression once or more times (excluding line breaks)
++Match the leading character or expression with no or more than once (excluding line breaks)
^ BMatch the page interrupt character
^ PMatch line breaks of DoS Files
^ RMatch the line break of the Mac file (CR only)
^ NMatch the line break of a UNIX file (lf only)
^ TMatch a tab
[]Match a single character in square brackets
4. Use regular expressions to remove spaces at the end of blank rows and rows
Ultraedit has two traditional Regular Expressions: ultraedit and UNIX. Set it to: Advanced -- configuration -- search -- Regular Expression Engine.
Ultraedit regular expression:
Remove blank rows: % [^ t] ++ ^ P is replaced with blank (that is, nothing is input)
Remove trailing space: [^ t] + $ to blank
UNIX Regular Expressions:
Remove blank rows: ^ [] * With Blank
Remove trailing space: [] + $ to blank
5. In the ultraedit regular expression, an asterisk (*) is used to match any number of characters except line breaks. However, there is no corresponding symbol in the Unix regular expression, which can be replaced.
• Match any single character except line breaks. Duplicate line breaks are not matched.
The delimiter matches the previous character 0 or multiple times.
6. Common shortcut keys
Column editing
Alt + C (in this editing mode, you can also sum the numbers in the same column. This function can select any rectangular area, which is really useful. Who knows)
BookmarksCTRL + F2
Adjust the indentation of large blocks of code.TabIndent
Delete the entire row
CTRL + E
How to add a timestamp to an edited FileF7
Place the cursor at the beginning of the bracket and pressCTRL + B, Ue will help you find the end of the corresponding parentheses
This software has very powerful functions. The above mentioned is just a drop in the ocean. For example, there are many file comparison functions that I often use, you can quickly find the difference between the two files before and after modification. No matter what software is used, it has its unique features. We only need to be good at discovering, all kinds of software will provide us with unexpected help, which can make our work more efficient.