Collection of Regular Expressions

README.md

• [\p{IsCyrillic}]+, [а-яА-ЯёЁ]+ - Cyrillic words
• ^[\s\t]+?(font|background|border|link|vlink|color)(-\w+)?:.*$ - CSS property lines

js.md

\u0400-\u04FF - Cyrillic symbols

regex.js

/* 
 * @description remove background images, fonts, colors and border styles 
 */
function (){
  return /(^[\s\t]+?(font|background|border|link|vlink|color)(-\w+)?:.*$)/gim;
}

regex.sh

#!/bin/bash

# Applys class .hover to :hover states in CSS file, and for :focus state too (Bootstrap):
sed 's/([^},]+)\:(hover)([^,]*)/$1:$2$3,$1.$2$3/gim;s/([^},]+)\:(focus)([^,]*)/$1:$2$3,$1.$2$3/gim' $1
# Light version:
sed 's/\:focus/.focus/gim;s/\:hover/.hover/gim'

# Remove BOM
sed -e '1s/^\xef\xbb\xbf//' filename

validation.php

<?php
// PCRE
// validation:
$validation = array(
    '' => "/^[A-Fa-f0-9]{32}/", // HEX(32)
    '' => '/^\w+/', // Word
    '' => "/^\d+(\.\d+)/", // Float
    '' => "/^\d+{11}$/", // Integer(11)
    '' => '/^(([\x22\x21])[a-zA-Z\x20-\x3f\x5b-\x60\x7b]+(\2)|[a-zA-Z\x20\x23-\x3f\x5b-\x60\x7b]){1,64}@(([a-z0-9\-]{1,63}\.?){0,255}|([0-9]{1,3}\.?){4})/', // Email (\b|^)(([\x22\x21])[a-zA-Z\x20-\x3f\x5b-\x60\x7b]+(\2)|[a-zA-Z\x20\x23-\x3f\x5b-\x60\x7b]){1,64}@(([a-z0-9\-]{1,63}\.?){0,255}|([0-9]{1,3}\.?){4})(\b|$)
    //
    'hello' => '/^\w+/', // Word
    'world' => '/^\w+/', // Word
);
foreach($_GET as $key => $arg){
    if(@$validation[$key] && preg_match($validation[$key], trim($arg)) > 0) {
        $$key = trim($arg);
    }
}
//mysql_real_escape_string($hello);
?>
<h1><?php echo $hello?>, <?php echo $world?></h1>
<img src="data:image/png;base64,<?php echo $dataIRI?>"/>