how to replace "(double quotes) in a string with " in java

Question

I have string variable strVar with value as ' "value1" ' and i want to replace all the double quotes in the value with ' " '. So after replacement value would look like ' "value1" '

How to do this in java? Kindly help me.

Answer 1

You are looking for

str = str.replace(""", "\"")

DEMO

I would avoid using replaceAll since it uses regex syntax in description of what to replace and how to replace, which means that will have to be escaped in string "\" but also in regex \ (needs to be written as "\\" string) which means that we would need to use

str = str.replaceAll(""", "\\"");

or probably little cleaner:

str = str.replaceAll(""", Matcher.quoteReplacement("\""))

With replace we have escaping mechanism added automatically.