Remove all alphanumeric words from a string in java

Question

How to find a regular expression to remove all alphanumeric words from a string ?

Here is what i have tried unsuccessfully:

assume my string is: String mystring ="the food was thrill4 not2 that good 6son";

    mystring = mystring.replaceAll("[0-9A-Za-z]","");

but its not working.

The expected results should be: "the food was that good"

Answer 1

Try this:

\w*\d+\w*\s*

Demo

Details:

• \w* - starting with 0 or more word chars
• \d+ - one or more digit
• \w* - ends with 0 or more word chars
• \s* - match zero or more spaces after the word