re_just

re_just_ws

re_wrap_or

single string containing a regular expression

Single logical, if <code>TRUE</code>, the default, matches for
ICD codes will accept leading and trailing white space.

whitespace_ok

update regular expression to limit by start and end, with or without white
space

internal

Calculate comorbidities, Charlson scores, perform
fast and accurate validation, conversion, manipulation, filtering and
comparison of ICD-9 and ICD-10 codes. This package enables a work flow
from raw lists of ICD codes in hospital databases to
comorbidities. ICD-9 and ICD-10 comorbidity mappings from Quan (Deyo
and Elixhauser versions), Elixhauser and AHRQ included.  Common
ambiguities and code formats are handled.

Jack O Wasey

Tools for Working with ICD-9 and ICD-10 Codes, and Finding
Comorbidities

Jack O. Wasey

William Murphy

Anobel Odisho

Vitaly Druker

Ed Lee

Kevin Ushey

R Core Team 

re_just function

<ul>
<li><code>re_just_ws</code>: allow white space</li>
<li><code>re_wrap_or</code>: contain any <code>|</code> options within a regular expression,
e.g. ICD-9 codes without <code>^</code> or <code>$</code>.</li>
</ul>

re_just: Limit a regular expression to just what is given

Description

Usage

Arguments

Functions