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OK, I'm stumped... I have a string...

"tobj index (0 6 45)"

how do I parse the string to get the left paren? I am using string.find and passing a single character which gets used as a pattern. This works fine when passed a "{" or a "<", but it chokes on "(" and "[". I just want to convert the enclosed data to a sub-table.

None of the tutorials I have read seem to touch on writing such patterns. If you could lead the way?