regExtract: Find All Substrings

In AndreMikulec/econModel: Meaningful Social and Economic Data from ALFRED and elsewhere

Description

Given a string or vector of strings, find and extract all substrings that match the pattern.

Usage

regExtract(pattrn, x)

Arguments

pattrn	String. Regular Expression Pattern.
x	vector of Strings.

Value

vectors of found substrings

References

Regular expression to extract text between square brackets https://stackoverflow.com/questions/2403122/regular-expression-to-extract-text-between-square-brackets

Examples

## Not run: 
# not including the parentheses
regExtract("(?<=\\()(.*?)(?=\\))", "LIST (c1)")
[1] "c1"

regExtract("(?<=\\()(.*?)(?=\\))", "LIST (((c1)::integer))")
[1] "((c1"

RegExtract("(?<=\\()(\\w+)(?=\\))", "LIST (((c1)::integer))")
[1] "c1"

## End(Not run)

AndreMikulec/econModel documentation built on June 30, 2021, 9:48 a.m.