Question

Issue in UI Is:

How to replace the sequence \/ in android?

I Use below replace method but it show invalid escape sequences.

tempLabelForListView[i].replaceAll("\/", "")

Answer 1

You don’t need to use String#replaceAll method, which takes a regex as parameter. Rather, just use String#replace method, and you need to escape the \ with another backslash. And you need to re-assign the replaced string to your target string, since string is immutable, and the replacement will not affect the current string, rather return a new string: –

tempLabelForListView[i] = tempLabelForListView[i].replace("\\/", "");

As for String#replaceAll method, since it takes a regex, you would need to escape the backslash twice. Once for Java and once for regex. So, you would need 4 backslashes to make it work with replaceAll: –

tempLabelForListView[i] = tempLabelForListView[i].replaceAll("\\\\/", "");

But still, you don’t need it here.