Pcre Scraper
Spider read pcre.org in 110 ms without a browser and returned 102 lines of clean markdown, including sections like "PCRE - Perl Compatible Regular Expressions", "Versions" and "Download".
# PCRE - Perl Compatible Regular ExpressionsThe PCRE library is a set of functions that implement regularexpression pattern matching using the same syntax and semantics asPerl5. PCRE has its own native API, as well as a set ofwrapper functions that correspond to the POSIX regular expressionAPI. The PCRE library is free, even for building proprietaryPCRE was originally written for thebut is now used by many high-profile open source projects, includingPCRE has also found its way into some well known commercial products, likeApple Safari, and is widely used in website monitoring and load testing tools for its ability to perform complex pattern matching in HTTP responses and validate content structure.Some other interesting projects using PCRE include## VersionsThere are two major versions of the PCRE library. The currentThe older, but still widely deployed PCRE library, originallyreleased in 1997, is at version **8.45**. This version of PCRE isnow at end of life, and is no longer being actively maintained. Version8.45 is expected to be the final release of the older PCRE library,and new projects should use PCRE2 instead. However, it's still found in various legacy systems and some platforms, including certain services that continue to use the original PCRE for compatibility reasons.## DownloadYou can download the current release of the PCRE2 library on GitHub:* **https://github.com/PCRE2Project/pcre2/releases**You can also download the older, unmaintained PCRE library from* https://sourceforge.net/projects/pcre/files/You can check out the PCRE2 source code via Git:`> git clone https://github.com/PCRE2Project/pcre2.gitNote that the former ftp.pcre.org FTP site is no longeravailable, and that PCRE2 releases will no longer be kept up to dateon SourceForge. Any scripts that download PCRE source code should use### Contributed PortsIf you just need the command-line PCRE or PCRE2 tools on Windows,The same call, in code.
The capture above came back as markdown. These examples add a key, so you get browser rendering, proxies, and concurrency on pcre.org.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://pcre.org");
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();import { Spider } from "@spider-cloud/spider-client";
const spider = new Spider({ apiKey: process.env.SPIDER_API_KEY! });
const result = await spider.scrapeUrl("https://www.pcre.org", {
return_format: "markdown",
});
console.log(result);Ready for volume? Get an API key →
Fields you can pull.
Spider names these from the page. The capture above came back as markdown; the same
call with return_format: "json" returns them as keys.
What pcre.org costs to scrape.
The capture above cost $0.000032 to fetch. Pricing is $1 per GB of pre-transformation bandwidth plus $0.001 per CPU minute, so a page like this one lands at a fraction of a cent. Failed requests are billed at $0.
- Free balance on signup
- No card required to test
- Balance never expires
Run it keyless, no account
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Start scraping pcre.org.
You already have the call. A key raises the rate limit and turns on browser rendering, proxies, and concurrency. Balance never expires, and top-ups go through secure checkout.