Use /gc to remember position

    


#!/usr/bin/perl

use warnings;
use strict;

my $text = "3 2 1 abc";

while ($text =~ /(\d)/gc) {
    print "$1...\n";
}

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

Use /gc to remember position : modifier « Regular Expression « Perl