MXP_locate_regex {IDSL.MXP} | R Documentation |
MXP Locate regex
Description
Locate indices of the pattern in the string
Usage
MXP_locate_regex(string, pattern, ignore.case = FALSE, perl = FALSE, fixed = FALSE,
useBytes = FALSE)
Arguments
string |
a string as character |
pattern |
a pattern to screen |
ignore.case |
ignore.case |
perl |
perl |
fixed |
fixed |
useBytes |
useBytes |
Details
This function returns 'NULL' when no matches are detected for the pattern.
Value
A 2-column matrix of location indices. The first and second columns represent start and end positions, respectively.
Examples
pattern <- "Cl"
string <- "NaCl.5HCl"
Location_Cl <- MXP_locate_regex(string, pattern)
[Package IDSL.MXP version 2.0 Index]