contains: Test a Character Vector for Occurences of a Pattern

In metrumrg: Pharmacometric Tools for Data Preparation, Modeling, Simulation, and Reporting

Description

Test a character vector for occurences of a pattern.

Usage

contains(pattern, text, ...)
x %contains% y

Arguments

pattern	regular expression
text	character vector
...	extra arguments to regexpr
x	vector
y	pattern to seek in x

Details

Each element of text is tested for pattern, and returns TRUE if pattern matches. The binary operator version implements a more natural syntax.

Value

logical vector as long as text

Author(s)

Tim Bergsma

References

http://metrumrg.googlecode.com

See Also

• regexpr

Examples

contains(
  'glu',
  c(
    'glucose',
    'glucuronidase',
    'glucogen',
    'fibrogen'
  )
)
letters %contains% 'a'

metrumrg documentation built on May 2, 2019, 5:55 p.m.