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Unlocking Google Search: The Secret Power of the `udm` Parameter

2025-06-21

Tired of cluttered Google search results filled with Knowledge Graphs, Local Results, and Related Questions? This article unveils the lesser-known `udm` parameter in Google search URLs, allowing you to precisely control the type of results returned. Learn how to filter for web results (udm=14), images (udm=2), news (udm=12), and much more. A comprehensive list detailing country codes and their corresponding `udm` values is provided, empowering you to explore the hidden depths of Google Search.

Benchmarking Regex Engines: Rust vs. Re2 vs. Ruby

2025-05-02

SerpApi encounters challenges extracting data from modern websites, often relying on regular expressions. Their benchmark compares Ruby's Onigmo engine against Google's re2 and Rust's regex engine. Rust's regex engine proves fastest in most cases, especially with Unicode, but its set functionality is inconsistent. Re2 is also fast but has Unicode limitations. Pcre2's Ruby bindings are outdated. Rust's regex engine emerges as the best Ruby alternative, though caution is advised with its set feature.

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