Index string by regular expression : sub with regular expressions « String « Ruby






  1. Ruby
  2. String
  3. sub with regular expressions

Index string by regular expression


s = 'My kingdom for a string!'
s[/.ing/]                           # => "king"
s[/str.*/]                          # => "string!"








Related examples in the same category

1.Basic Special Characters and Symbols Within Regular Expressions
2.Regular Expression Character and Sub-Expression Modifiers
3.To replace the first two characters of a string with 'Hello':
4.To change the last two letters
5.scan is the iterator method you require:
6.scan(/../): . means Any character
7.scan (/\w\w/): \w means Any letter, digit, or underscore