R: Remove Numbers from a Text Document

removeNumbers {tm} | R Documentation

## Remove Numbers from a Text Document

### Description

Remove numbers from a text document.

### Usage

    ## S3 method for class 'character'
    removeNumbers(x, ucp = FALSE, ...)
    ## S3 method for class 'PlainTextDocument'
    removeNumbers(x, ...)

### Arguments

`x` | a character vector or text document.
`ucp` | a logical specifying whether to use Unicode character properties for determining digit characters. If `FALSE` (default), characters in the ASCII `[:digit:]` class (i.e., the decimal digits from 0 to 9) are taken; if `TRUE`, the characters with Unicode general category `Nd` (Decimal_Number).
`...` | arguments to be passed to or from methods; in particular, from the `PlainTextDocument` method to the `character` method.

### Value

The text document without numbers.

### See Also

`getTransformations` to list available transformation (mapping) functions.

https://unicode.org/reports/tr44/#General_Category_Values.

### Examples

    data("crude")
    crude[[1]]
    removeNumbers(crude[[1]])

[Package tm version 0.7-8 Index]