data.table (version 1.8.8)

like: Convenience function for calling regexpr.

Description

Intended for use in [.data.table i.

Usage

like(vector,pattern)
vector

Arguments

vector

Either a character vector or a factor. A factor is faster.

pattern

Passed on to grepl.

Value

• Logical vector, TRUE for items that match pattern.

See Also

data.table, grepl

Examples

DT = data.table(Name=c("Mary","George","Martha"), Salary=c(2,3,4))
    DT[Name %like% "^Mar"]