str_match_all

<p>return all matches for regular expression</p>

manip

internal

Calculate comorbidities, Charlson and van Walraven
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

Comorbidity Calculations and Tools for ICD-9 and ICD-10 Codes

Jack O. Wasey

William Murphy

Anobel Odisho

Vitaly Druker

Ed Lee

str_match_all function

return all matches for regular expression — str_match_all

return all matches for regular expression

str_match_all: return all matches for regular expression

Description

Usage

Arguments