We can use regular expression for regular find operations as well as replace. Symbol Description Sample Text Regex Output Letters \w Matches any latin letter or digit Sample \w S a m p l e \W Matches any non-alphanumeric character Digits \d Matches any decimal digit Numbers: 1, 2, 3, 100, 200 \d Numbers: 1, 2, 3, 1 0 0, 2 0 0 \D Matches any non decimal digit character. Repetition + Matches one or more repetition of symbol (select whole word or digit) Sample Text.