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Common Regular expressions

Source: R/regex.R
common_regex.Rd

Common Regular expressions

Usage

common_regex(x = c("month_date", "month", "url", "date"))

Arguments

x

<chr> regex name

Value

<chr> string of a regex

Examples

common_regex("url")
#> [1] "^(?:(?:http(?:s)?|ftp)://)(?:\\S+(?::(?:\\S)*)?@)?(?:(?:[a-z0-9¡-\uffff](?:-)*)*(?:[a-z0-9¡-\uffff])+)(?:\\.(?:[a-z0-9¡-\uffff](?:-)*)*(?:[a-z0-9¡-\uffff])+)*(?:\\.(?:[a-z0-9¡-\uffff]){2,})(?::(?:\\d){2,5})?(?:/(?:\\S)*)?$"

common_regex("month")
#> [1] "(Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?)"

common_regex("month_date")
#> [1] "(Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?)\\s+(\\d{1,2})\\,\\s+(\\d{4})"