Java regular expression to remove all non alphanumeric characters EXCEPT spaces

Question

I\'m trying to write a regular expression in Java which removes all non-alphanumeric characters from a paragraph, except the spaces between the words.

This is the co

Answer 1

You need to escape the \ so that the regular expression recognizes \s :

paragraphInformation = paragraphInformation.replaceAll("[^a-zA-Z0-9\\s]", "");