str_count: Count words in a text

In x.ent: eXtraction of ENTity

Description

Count words of characters in the string which satisfy a regular expression

Usage

  str_count(x, pattern, sep)

Arguments

x	input string
pattern	regular expression
sep	a string used to separate columns, default is "".

Value

number

return a number of words that satisfies a regular expression

Examples

  x = "file_1:b:$:carbonate:c:dimethylsulfide:coccoliths:co2:aragonite:calcite:"
  str_count(x,pattern=":co2:",sep="")

Example output

[1] 0

x.ent documentation built on May 2, 2019, 2:14 p.m.