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255.Character count -- How to count number of digits(0-9) in a text file?

User: editor -- 2008-08-21
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Type: Character count   
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Description:
How to count number of digits(0-9) in a text file?
Answer:
Hint: You need to Download and install "Replace Pioneer" to finish following steps.
1. ctrl-o open text file
2. ctrl-h open "Replace" dialog
Enter "search for pattern" like:

3. click "search" button, the number of digit character found will be shown at the operation record in the middle.

Note: \d is a regular expression, match any single digit.

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