How to filter data by conditions in notepad text editor
Through regular expressions, Notepad can filter data by conditions: 1. Open the file and use the "Find" window; 2. Select "Regular Expression" mode; 3. Enter a regular expression to define conditions, such as Find Lines containing "foo": foo.

Use Notepad to filter data by conditions
Notepad is a powerful text editor that can Regular expressions implement filtering data based on conditions.
Specific steps:
- Open Notepad and load the data to be filtered.
- Use the Find menu (Ctrl F) to open the Find window.
- Select "Regular Expression" in the "Find Pattern" drop-down menu.
- Enter a regular expression in the Find field to define filter criteria.
- Click the "Find Next" button to find the first piece of data that meets the criteria.
- Click the "Replace" button to replace the filtered data, or click the "Mark" button to mark it.
Regular expression example:
- Find lines starting with "a": ^a
- Find lines containing "foo": foo
- Find lines ending with a number: \d$
- Find lines containing phone numbers: \d{3}-\d{3}-\d{4}
Advanced options:
- Use the "Find All" button to find all matching data.
- Use the "Replace All" button to replace all matching data.
- Use the "Mark All" button to mark all matching data.
Example:
To conditionally filter out the lines containing "foo" in the following text:
<code>This is a test line. This is another test line. This line has foo in it. This line also has foo.</code>
Use regular expressions The expression foo can filter out the following two lines containing "foo":
<code>This line has foo in it. This line also has foo.</code>
The above is the detailed content of How to filter data by conditions in notepad text editor. For more information, please follow other related articles on the PHP Chinese website!
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