Regular Expression Perl

  1. Home
  2. Perl
  3. Regular Expression
  4. The e Modifier Evaluating an Expression
Format: s/search pattern/replacement string/e;
# The e and g modifiers
while(){
      s/6/6 * 7.3/eg;       # Substitute 6 with product of 6 * 7.3
      print;
}
__DATA__
    5
    4
    6 6
    1
    666
    66