if ($text =~ /(\d+)/) {print "Here's the number of apples: $1.\n";} : Digit « Regular Expression « Perl

if ($text =~ /(\d+)/) {print "Here's the number of apples: $1.\n";}

    





$text = "I have 4 apples.";

if ($text =~ /(\d+)/) {print "Here's the number of apples: $1.\n";}

Related examples in the same category

1.	Determine if a string has a digit.
2.	Check for no digit
3.	Check for digit
4.	if ($text =~ /\D/) {print "It's not a number.";}
5.	if ($text =~ /^[+-]\d+\.\d*$/) {print "It's a number.";}
6.	if ($text =~ /^\d+$/) {print "It's a number.";}
7.	A simple integer-validation program.
8.	Get all numbers
9.	Match the one or more alphanumerics.
10.	Match numbers
11.	Matching Any Letter or Number
12.	Match one or zero alphanumerics followed by a single space character

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