use strict;
my $str = 'class Entity
{
constructor(game,imageURL)
{
this.game = game;
this.sprite = new Sprite(this.game.c,imageURL);
}
draw(depth,offset,textureSize,textureCoordinates,offsetX=0)
{
let scaleFactors = {
1:1,
2:0.65,
3:0.45
};
let scaleFactor = scaleFactors[depth];
let x = Math.floor(offset.x + textureCoordinates[0] + (textureSize[0] / 2) - (this.sprite.image.width * scaleFactor / 2));
let y = Math.floor(offset.y + textureCoordinates[1] + (textureSize[1] / 2) - (this.sprite.image.height * scaleFactor) + 6 * scaleFactor);
x = x + offsetX * scaleFactor;
let width = Math.floor(this.sprite.image.width * scaleFactor);
let height = Math.floor(this.sprite.image.height * scaleFactor);
let entityFades = {
1:1,
2:0.5,
3:0.1
}
let filter = \'\';
if(this.game.level.entities.fadeType === \'darken\')
{
filter += \'brightness(\'+entityFades[depth]+\')\';
}
this.sprite.draw(
x,
y,
width,
height,
0,
0,
this.sprite.image.width,
this.sprite.image.height,
filter
);
}
}';
my $regex = qr/class [A-Za-z_$]*\s*\{/mp;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html