I am trying to replace a segment of a path in a string with another string. I have a feeling that RegEx would be the best way to do this but don't know how. I would like to replace xxxxx with another string:
resources/audio/xxxxx/someaudio.mp3
The root path of "resources/audio/" will always remain the same, but I am trying to replace the parent folder of the audio file. The audio file is arbitrary and can change. Can someone please help?
You may try this:
var newFolder = "yyyy";
var r = "resources/audio/xxxxx/someaudio.mp3".replace(/(resources\/audio\/).*(\/.*)/g, '$1' + newFolder + '$2');
console.log(r);
See it working here.
Use replace method with capturing group:
> 'resources/audio/xxxxx/someaudio.mp3'.replace(/\bxxxxx\/([^/]+)$/, 'yyyy/$1')
"resources/audio/yyyy/someaudio.mp3"
> 'resources/audio/xxxxx/anotheraudio.mp3'.replace(/\bxxxxx\/([^/]+)$/, 'yyyy/$1')
"resources/audio/yyyy/anotheraudio.mp3"
([^/]+) match filename and captured as group 1. This group 1 is referenced as $1 in replacement string.
Or use positive lookahead:
> 'resources/audio/xxxxx/someaudio.mp3'.replace(/\bxxxxx(?=\/[^/]+$)/, 'yyyy')
"resources/audio/yyyy/someaudio.mp3"
> 'resources/audio/xxxxx/anotheraudio.mp3'.replace(/\bxxxxx(?=\/[^/]+$)/, 'yyyy')
"resources/audio/yyyy/anotheraudio.mp3"
'path/to/file.mp3'.replace(/\/to\//, 'the'))?
/to/ is occur twice? I used capturing group/lookahead to match only the parent directory of the file.