complex pattern

Hi @

im new to this program and want to do the following.....

1) old pattern aaaaa_ddmmyy_hhmm_bbbb.mp3
2) new pattern should be aaaaa_yymmdd_hhmm_bbbb.mp3

aaaa is of different length and always delmited by "_" as also the pattern to be changed.

dd is to be repalced by yy and yy by dd

How do i do this
Many thanks for any advise
Henri

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Reply to #1:
You should use the Replace method and configure it like this:
Text to be replaced: (.+)_(..)(..)(..)_(.+)
Replace with: \1_\4\3\2_\5
Use regular expressions: Checked
Apply to: Name

The solution might require a little explanation. It uses regular expressions for matching patterns in the filename. The ( and ) are used to mark a group. A group gets a number, which are used in the replace with text box. Notice how the \4\3\2 reverses the order of the pattern. The dot . means any character, while + means that the previous character (in this case any character) is repeated one to any time.

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Reply to #2:
Many thanks it worked perfectly on 857 files
Henri

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