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Contents
# frozen_string_literal: true
# RegexpBuilder is an internal class that helps us build regexes to find things.
module Friends
class RegexBuilder
# We don't want to match strings that are "escaped" with a leading
# backslash.
NO_LEADING_BACKSLASH = "(?<!\\\\)".freeze
# We don't want to match strings that are directly touching double asterisks
# as these are treated as sacred by our program.
NO_LEADING_ASTERISKS = "(?<!\\*\\*)".freeze
NO_TRAILING_ASTERISKS = "(?!\\*\\*)".freeze
# We don't want to match strings that are directly touching underscores
# as these are treated as sacred by our program.
NO_LEADING_UNDERSCORES = "(?<!_)".freeze
NO_TRAILING_UNDERSCORES = "(?!_)".freeze
# We don't want to match strings that are part of other words.
NO_LEADING_ALPHABETICALS = "(?<![A-z])".freeze
NO_TRAILING_ALPHABETICALS = "(?![A-z])".freeze
# We ignore case within the regex as opposed to globally to allow consumers
# of this API the ability to pass in strings that turn off this modifier
# with the "(?-i)" string.
IGNORE_CASE = "(?i)".freeze
def self.regex(str)
Regexp.new(
NO_LEADING_BACKSLASH +
NO_LEADING_ASTERISKS +
NO_LEADING_UNDERSCORES +
NO_LEADING_ALPHABETICALS +
IGNORE_CASE +
str +
NO_TRAILING_ALPHABETICALS +
NO_TRAILING_UNDERSCORES +
NO_TRAILING_ASTERISKS
)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems