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module Puppet::Parser::Functions
newfunction(:validate_re, :doc => <<-'ENDHEREDOC') do |args|
Perform simple validation of a string against one or more regular
expressions. The first argument of this function should be a string to
test, and the second argument should be a stringified regular expression
(without the // delimiters) or an array of regular expressions. If none
of the regular expressions match the string passed in, compilation will
abort with a parse error.
The following strings will validate against the regular expressions:
validate_re('one', '^one$')
validate_re('one', [ '^one', '^two' ])
The following strings will fail to validate, causing compilation to abort:
validate_re('one', [ '^two', '^three' ])
ENDHEREDOC
if args.length != 2 then
raise Puppet::ParseError, ("validate_re(): wrong number of arguments (#{args.length}; must be 2)")
end
msg = "validate_re(): #{args[0].inspect} does not match #{args[1].inspect}"
raise Puppet::ParseError, (msg) unless args[1].any? do |re_str|
args[0] =~ Regexp.compile(re_str)
end
end
end
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