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Match and Replace Strings Based on Named Groups in Regular Expressions
An R6 class "Replacer" provided by the package simplifies working with regex patterns containing named groups. It allows easy retrieval of matched portions and targeted replacements by group name, improving both code clarity and maintainability.
Serializable Representations
String and binary representations of objects for several formats / mime types.
Translate Quantities from Strings to Integer and Back. Misc Functions on Spanish Data
Character vector to numerical translation in Euros from Spanish spelled monetary quantities. Reverse translation from integer to Spanish. Upper limit is up to the millions range. Geocoding via Cadastral web site.
Data and Function to Work with Emojis
Contains data about emojis with relevant metadata, and functions to work with emojis when they are in strings.
Identify Relevant Clinical Codes and Evaluate Their Use
Generate a candidate code list for the Observational Medical Outcomes Partnership (OMOP) common data model based on string matching. For a given search strategy, a candidate code list will be returned.
'Rcpp' Bindings for the 'simdjson' Header-Only Library for 'JSON' Parsing
The 'JSON' format is ubiquitous for data interchange, and the
'simdjson' library written by Daniel Lemire (and many contributors) provides a
high-performance parser for these files which by relying on parallel 'SIMD'
instruction manages to parse these files as faster than disk speed. See the
Fast and URL-Safe Base64 Encoder and Decoder
In contrast to RFC3548, the 62nd character ("+") is replaced with "-", the 63rd character ("/") is replaced with "_". Furthermore, the encoder does not fill the string with trailing "=". The resulting encoded strings comply to the regular expression pattern "[A-Za-z0-9_-]" and thus are safe to use in URLs or for file names. The package also comes with a simple base32 encoder/decoder suited for case insensitive file systems.
Include Tables, Images and Graphs in Leaflet Pop-Ups
Creates 'HTML' strings to embed tables, images or graphs in pop-ups of interactive maps created with packages like 'leaflet' or 'mapview'. Handles local images located on the file system or via remote URL. Handles graphs created with 'lattice' or 'ggplot2' as well as interactive plots created with 'htmlwidgets'.
Octonions and Quaternions
Quaternions and Octonions are four- and eight- dimensional extensions of the complex numbers. They are normed division algebras over the real numbers and find applications in spatial rotations (quaternions), and string theory and relativity (octonions). The quaternions are noncommutative and the octonions nonassociative. See the package vignette for more details.
Utilities for Graphical Rendering and Fonts Management
Tools are provided to compute metrics of formatted strings and to check the availability of a font. Another set of functions is provided to support the collection of fonts from 'Google Fonts' in a cache. Their use is simple within 'R Markdown' documents and 'shiny' applications but also with graphic productions generated with the 'ggiraph', 'ragg' and 'svglite' packages or with tabular productions from the 'flextable' package.