Evaluate replacement : substitution « Regular Expression « Perl






  1. Perl
  2. Regular Expression
  3. substitution

Evaluate replacement

    

$str = "He gave me 5 dollars.\n";
s/5/6*7/e; 
print $str;








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6.Substitute every T with M
7.Substitute first T with an M
8.Substitute first occurrence of "blue" with "red"
9.Substitute tom with Mary
10.Substitution Example
11.Substitution Modifiers
12.Using substitutions to clean up input data.
13.Capitalize all sentences
14.Using Patterns with Substitutions
15.Changing substitution delimiters
16.Increase salary with pattern match
17.Alternation: /John|Karen|Steve/ will match a line containing John or Karen or Steve.
18.Options for the S Operator
19.Ignore case, global substitution