protectMetachar {limma} | R Documentation |
Add backslashes before any metacharacters found in a string.
protectMetachar(x)
x |
character vector |
This function is used to protect strings containing metacharacters so that the metacharacters can be treated as ordinary characters in string matching functions operations.
A character vector of the same length as x
in which two backslashes have been inserted before any metacharacter.
Gordon Smyth
An overview of LIMMA functions for reading data is given in 03.ReadingData.
# without protectMetachar, this would be no match grep(protectMetachar("Ch1 (mean)"),"Ch1 (mean)")