The e modifier : modifier « Regular Expression « Perl






  1. Perl
  2. Regular Expression
  3. modifier

The e modifier

    

$_=5;
s/5/6 * 4 - 22/e;
print "The result is: $_\n";

$_=1055;
s/5/3*2/eg;
print "The result is: $_\n";








Related examples in the same category

1.The e Modifier Evaluating an Expression
2.The g Modifier Global Substitution
3.The m Operator and Matching
4.The m modifier controls the behavior of the $ and ^ anchor metacharacters.
5.The s Modifier-The Dot Metacharacter and the Newline
6.The s Operator and Substitution
7.The s operator supports a number of variables
8.The x Modifier: The Expressive Modifier
9.The i Modifier Case Insensitivity
10.\B matches only if the pattern is contained in a word.
11.The \s metasymbol and whitespace
12.ei modifier
13.Use /gc to remember position
14.Use \G to match rest of text
15.The \S metasymbol and nonwhitespace
16.Matching Modifiers
17.Inline Modifiers