escape_regex_for_types: Escapes special for regex characters conditionally

In stasvlasov/nstandr: Name Standardization in R

Escapes special for regex characters conditionally

Description

Escapes special for regex characters conditionally

• fixed - Match pattern string as it is within the target vector

• begins - Match pattern string as it is in the beggining of the target vector

• trim_begins - Match pattern string as it is in the beginning of the target vector ignoring preceding white-spaces

• ends - Match pattern string as it is in the end of the target vector

• trim_ends - Match pattern string as it is in the end of the target vector ignoring leading white-spaces

• exact - Match pattern string exactly (i.e., match equal strings)

• trim_exact - Match pattern string exactly (i.e., match equal strings) ignoring surrounding white-spaces

• regex - Match regex pattern

Usage

escape_regex_for_types(
  patterns,
  types,
  escape_fixed = FALSE,
  escape_begins = TRUE,
  escape_ends = TRUE,
  escape_all_if_multiple_types = TRUE
)

Arguments

patterns	character vector
types	character vector of the same length as strings with instructions whether and how to to escape regex characters. Options are:
escape_fixed	Whether to escape strings for 'fixed' and 'exact' types in case all types are the same (length(unique(types)) == 1). The "trim_exact" types get trimed if not escaped. Otherwise if types heterogenious
escape_begins	Whether to escape string for 'begins' type
escape_ends	Whether to escape string for 'ends' type
escape_all_if_multiple_types	If types are multiple this applies to all esapes options

Value

string with all special to regex characters escaped

stasvlasov/nstandr documentation built on July 27, 2023, 10:29 p.m.