Used MultiEdit for Windows?
Developer’s Description
MultiEdit is intended to easily take out the repetitive tasks of renaming multiple files (when the task could be easily automated). Being built on top of the .NET Framework, MultiEdit is completely unicode based. Here is a quick snapshot of it's major functionality: Bulk insertion by text matching or index searching; Text replacement based on literal strings or regular expressions; Comparing preview window to review changes before committing; PinYin conversion for non-ASCII characters (currently only supports Traditional and Simplified Chinese).
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