protectMetachar: Protect Metacharacters

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/read.R

Description

Add backslashes before any metacharacters found in a string.

Usage

1

Arguments

x

character vector

Details

This function is used to protect strings containing metacharacters so that the metacharacters can be treated as ordinary characters in string matching functions operations.

Value

A character vector of the same length as x in which two backslashes have been inserted before any metacharacter.

Author(s)

Gordon Smyth

See Also

An overview of LIMMA functions for reading data is given in 03.ReadingData.

Examples

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# without protectMetachar, this would be no match
grep(protectMetachar("Ch1 (mean)"),"Ch1 (mean)")

hdeberg/limma documentation built on Dec. 20, 2021, 3:43 p.m.