# Problem using REPLACE to swap quotation marks **URL:** \ **Category:** Support\ **Created:** [May 8, 2010, 6:02am UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403 "2010-05-08T06:02:49Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![nitz](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/n/bc8723/32.png) [@nitz](https://community.mp3tag.de/u/nitz)\ **Post date:** [May 8, 2010, 6:02am UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/1 "2010-05-08T06:02:49Z")
When I try to do a "convert tag to filename" with the following scripting function, I get a syntax error: $replace(%artist%\%album%\%track% ^ %title%,: , -- ,/, - , , ,",'). I believe the error has something to do with trying to replace double quotation marks with single marks, which is the last "replace" on the end. What's the proper way to reference quotation marks in this script? ---
**Author:** ![dano](https://community.mp3tag.de/user_avatar/community.mp3tag.de/dano/32/6_2.png) [@dano](https://community.mp3tag.de/u/dano)\ **Post date:** [May 8, 2010, 7:05am UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/2 "2010-05-08T07:05:26Z")
Single quotes have a special function so you must write two of them '' ---
**Author:** ![nitz](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/n/bc8723/32.png) [@nitz](https://community.mp3tag.de/u/nitz)\ **Post date:** [May 8, 2010, 12:24pm UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/3 "2010-05-08T12:24:23Z")
Ah. So the command is `$replace(%artist%\\%album%\\%track% ^ %title%,: , -- ,/, - , , ,",'')`. Thanks. ---
**Author:** ![ehrlacher](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/e/5e9695/32.png) [@ehrlacher](https://community.mp3tag.de/u/ehrlacher)\ **Post date:** [June 26, 2022, 1:40pm UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/4 "2022-06-26T13:40:41Z")
> [@nitz](#): > > Ah. So the command is _$replace(%artist%%album%%track% ^ %title%,: , -- ,/, - , , ,",'')_. Thanks ... and this is what doesn't work in my case. I try to replace the " in title by '' (it appears often as 7" and I wanna avoid quotation marks for reasons) So I wrote $replace(%TITLE%,",'') (hard to be seen but 1st is quotation mark, 2nd is 2 single quotes). If I perform it as action, it changes e.g. 7" Mix -\> 7' Mix (writing only one quote). So I changed to $replace(%TITLE%,",''') (3 single quotes), now it works. But can't see why... ---
**Author:** ![LyricsLover](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/l/c6cbf5/32.png) [@LyricsLover](https://community.mp3tag.de/u/LyricsLover)\ **Post date:** [June 26, 2022, 2:14pm UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/5 "2022-06-26T14:14:27Z")
> [@ehrlacher](#): > > But can't see why... Because the single quote `'` is a special character and has to be "[escaped](https://en.wikipedia.org/wiki/Escape_character)". You can do it like you alread did with two `''` for one `'` or four `''''` for two `''` ---
**Author:** ![ehrlacher](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/e/5e9695/32.png) [@ehrlacher](https://community.mp3tag.de/u/ehrlacher)\ **Post date:** [June 26, 2022, 2:15pm UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/6 "2022-06-26T14:15:40Z")
ahhh, thanks, like in SQL - ok, I didn't know escapings works in MP3tag O:-) ---
**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:** [June 27, 2022, 6:58am UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/8 "2022-06-27T06:58:13Z")
> [@ehrlacher](#): > > I didn't know Which could have been overcome with a look at the documentation: > **[Format Strings and Placeholders – Mp3tag Documentation](https://docs.mp3tag.de/format/#characters-with-special-functionality)** > > Documentation on format strings and placeholders to describe the structure of file names and imported data. Mp3tag is the universal Tag Editor. ---
**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\ **Post date:** [July 27, 2022, 6:59am UTC](https://community.mp3tag.de/t/problem-using-replace-to-swap-quotation-marks/10403/10 "2022-07-27T06:59:13Z")
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