Check whether the string contains the specified string by regex

JavaScript Perl PHP Python Ruby

Contents

Output

Found target

Explanation

regex expression “tar?get” means “r” can be lacked.

Code examples

JavaScript

let value = "This is target";
if ( value.match(/tar?get/) ) {
    console.log("Found target");
}

Perl

my $value = "This is target";
if ( $value=~ m!tar?get!s ) {
    print "Found target\n";
}

PHP

<?php
$value = "This is target";
if (preg_match('/tar?get/s', $value)) {
    print "Found target\n";
}

Python

import re
value = "This is target"
if re.search( r'tar?get', value ):
   print("Found target")

Ruby

value = "This is target";
if value.match("tar?get")
  print "Found target\n";
end