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-- Parse IP address using regular expression compiler
require "lspipat"
exp = [=[^([[:digit:]]{1,3})(\.([[:digit:]]{1,3})){3,3}$]=]
ip1 = RegExp(exp)
print(ip1)
local captures = {}
ip2 = RegExp(exp, captures)
print(ip2)
print(spipat.smatch("192.168.0.1", ip1))
print(spipat.smatch("192.168.000.001", ip1))
print(spipat.smatch("192.168.0.XXX", ip1))
print(spipat.smatch("192.168.0.1", ip2))
-- remove captures due to grouping around "."
table.remove(captures, 3)
table.remove(captures, 5)
table.remove(captures, 7)
print(table.concat(captures, "."))
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