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the text:
aaa
the regex:
a{2}
the answer of notepad++ (v5.9.6.2 (UNICODE)):
Can’t find the text “a{2}”
How can I realize this expression (searching n times) in notepad++?
UPDATE: as of Notepad++ 6.x which now uses PCRE as its regex engine, your given expression should now work as is.
Notepad++ older than 6.0 doesn’t support number quantifiers in its regex engine. You’ll have to make do with
aa(repeating the input n times).