Android Question string validation

[yaniv hanya]

How can I check if the a string is valid for a folder name

 

[MarcoRome]

Look RegEx
https://www.b4x.com/android/forum/threads/b4x-regular-expressions-regex-tutorial.7123/#content

 

[emexes]

Or you could wrap the file or directory operation in a Try..Catch and handball the task to the file/operating system.

(the above is mostly joke, partly Plan B ;-)

edit: perhaps not as much a joke as I thought; just read this post for the first time:

https://www.b4x.com/android/forum/threads/check-if-a-string-is-valid-json-isjson.99974/#post-629042