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@jonbretman
jonbretman / type.js
Last active January 16, 2024 01:16
Simple type checking in JavaScript.
(function (root) {
var type = function (o) {
// handle null in old IE
if (o === null) {
return 'null';
}
// handle DOM elements
  1. Plain Strings (207): foo
  2. Anchors (208): k$
  3. Ranges (202): ^[a-f]*$
  4. Backrefs (201): (...).*\1
  5. Abba (169): ^(.(?!(ll|ss|mm|rr|tt|ff|cc|bb)))*$|^n|ef
  6. A man, a plan (177): ^(.)[^p].*\1$
  7. Prime (286): ^(?!(..+)\1+$)
  8. Four (199): (.)(.\1){3}
  9. Order (198): ^[^o].....?$
  10. Triples (507): (^39|^44)|(^([0369]|([147][0369]*[258])|(([258]|[147][0369]*[147])([0369]*|[258][0369]*[147])([147]|[258][0369]*[258])))*$)
@jonathanmorley
jonathanmorley / regex_golf.md
Last active March 1, 2025 13:14 — forked from jpsim/answers.md
Best possible answers collected so far for [Regex golf](http://regex.alf.nu/). === WARNING: SPOILERS ===
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;
import java.util.Random;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
@genadyo
genadyo / gist:295a5e8f0d743f57137f
Created November 27, 2014 17:21
app_store_app_data.json
{
"491289025" : "ijinshan-kappmarket://",
"301521403" : "fb103361823069955://",
"492178411" : "ils492178411://",
"346142396" : "fb234434003713://",
"310633997" : "whatsapp://",
"370614765" : "com.condenet.newyorker://",
"325058491" : "rnmddisco://",
"382952264" : "epichttp://",
"477048487" : "predictwind://",
@bishboria
bishboria / springer-free-maths-books.md
Last active March 18, 2026 03:40
Springer made a bunch of books available for free, these were the direct links