# Lowercase parentheses words

**URL:** <https://community.mp3tag.de/t/lowercase-parentheses-words/54319>\
**Category:** Support\
**Created:** [September 9, 2021, 9:53am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319 "2021-09-09T09:53:07Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![Seeker](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/90ced4/32.png) [@Seeker](https://community.mp3tag.de/u/Seeker)\
**Post date:** [September 9, 2021, 9:53am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/1 "2021-09-09T09:53:07Z")

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How do I change words like "live" or "demo" when they are in parentheses with RegEx?

For example: Bargain (Live) --\> Bargain (live)

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [September 9, 2021, 9:58am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/2 "2021-09-09T09:58:13Z")

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You could use an Actions to replace dedicated words.  
Or you enter further characters in an action of the type "Case conversion" that indicate where a new word starts.  
In this case add the opening bracket.

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<div class="post-metadata">

**Author:** ![Seeker](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/90ced4/32.png) [@Seeker](https://community.mp3tag.de/u/Seeker)\
**Post date:** [September 9, 2021, 10:12am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/3 "2021-09-09T10:12:02Z")

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I tried using this:

Field: \_ALL  
RegEx: (?\<!-)\s(live|demo)  
Replace matches with: $lower($0)

But that only works when the words are not in parentheses. Sorry, I don't know much about this, so I don't know what part I'm doing wrong.

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [September 9, 2021, 10:17am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/4 "2021-09-09T10:17:51Z")

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I was talking about an action of the type "[Case conversion](https://docs.mp3tag.de/actions/case-conversion)"  
In your example, I take it that the search words are already in lower case - so there will be no match as the regular expression is usually case sensitive.

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<div class="post-metadata">

**Author:** ![Seeker](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/90ced4/32.png) [@Seeker](https://community.mp3tag.de/u/Seeker)\
**Post date:** [September 9, 2021, 10:46am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/5 "2021-09-09T10:46:20Z")

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What do I have to write in "Words begin from/after any of:"? I'm trying all sort of things, but it keeps changing every first letter of each word to lowercase.

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<div class="post-metadata">

**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [September 9, 2021, 11:10am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/6 "2021-09-09T11:10:32Z")

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you could try an action of the type "Format value" for TITLE  
Format string: `$regexp('Guitar (Live),'(.*) \((.*)','$1 (\l$2')`  
(please replace 'Guitar (Live)' with %title%)

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<div class="post-metadata">

**Author:** ![Seeker](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/90ced4/32.png) [@Seeker](https://community.mp3tag.de/u/Seeker)\
**Post date:** [September 9, 2021, 11:21am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/7 "2021-09-09T11:21:08Z")

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This worked! Thank you very much!

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<div class="post-metadata">

**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [October 9, 2021, 11:21am UTC](https://community.mp3tag.de/t/lowercase-parentheses-words/54319/8 "2021-10-09T11:21:47Z")

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