craigsdennis

String title = "Regular Expressions in 10 different languages";

// Note we have to escape the \ as that is an escape character in Java
boolean result = title.matches("\\d+");

// To extract the pattern
Pattern pattern = Pattern.compile("(\\d+)");
Matcher matcher = pattern.match(title);
while (matcher.find()) {
    System.out.printf("There are %s languages represented.",

craigsdennis

import re


title = "Regular Expressions in 10 different languages"
result = re.match(r'.*\d+.*', title)

match = re.search(r'(\d+)', title)
# This will return None match is not found
if (match):
  print('There are {} languages represented.'.format(match.group(1))

craigsdennis

title = "Regular Expressions in 10 different languages"

# Nil if match not found
result = /.*\d+.*/.match(title)

# And extraction too
result = /(\d+)/.match(title)
if result
  puts "There are %s languages represented" % result[1]
end

craigsdennis

var title = "Regular Expressions in 10 different languages";

// This will be true or false
var result = /.*\d+.*/.test(title);

var match = /(\d+)/.exec(title);
if (match) { 
  console.log("There are ", match[1], " languages represented.");
}

craigsdennis

let title = "Regular Expressions in 10 different languages"

// Match
let pattern = ".*\\d.*"
if let match = title.rangeOfString(pattern, options: .RegularExpressionSearch) {
    println("We had a match!")
}

let re = NSRegularExpression(pattern: "(\\d+)", options: nil, error: nil)!
let matches = re.matchesInString(

craigsdennis

$title = "Regular Expressions in 10 different languages";
$pattern = "~(\\d+)~";

$success = preg_match($pattern, $title, $match);
if ($success) {
    echo "There are " . $match[1] . " languages represented."; 
}

craigsdennis

string title = "Regular Expressions in 10 different languages";
string pattern = @"(\d+)";

foreach (Match match in Regex.Matches(title, pattern))
    Console.WriteLine("There are {0} languages represented.", 
                      match.Groups[1].Value);

craigsdennis

title = "Regular Expressions in 10 different languages"
matcher = title =~ /(\d+)/
matcher.find()
printf("There are %s languages represented", matcher.group(1))

craigsdennis

val title = "Regular Expressions in 10 different languages"
val pattern = """(\d+)""".r.unanchored

title match {
  case pattern(total) => s"There are $total languages represented."
}

craigsdennis

var shhh = "SECRETPASSWORD";

function hexToRgb(hex) {
  // No RegEx in Espruino yet...
  var R, G, B;
  if (hex.length == 3) {
    R = hex.substring(0, 1);
    R = R + R;
    G = hex.substring(1, 2);
    G = G + G;