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Re: st: Searching for words in strings

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   Re: st: Searching for words in strings
Date   Tue, 14 Oct 2003 19:22:15 +0100

John Wallace

> I'd like to search a comment field for a specific word, such as can
be done
> with Excel's "Search(find_text,within_text,[start_num])" function.
I'd like
> to do it interactively, rather than as a program (it looks like a
> using -tokenize- would be one approach), but the -match- and -word-
> functions don't appear to be what I'm looking for.  I have a list of
> records, all with a "comment" field that may or may not contain a
word I
> want, buried within an otherwise random string of characters.  What
I'd like
> is a command that I could type in thus:

> .browse if {command}("wafer",var_comment) !=.

> Does such a command exist?  It seems like it would be a useful tool
> browsing non-standard text fields...

Indeed. Or rather, -index()-.

. browse if index(var_comment, "wafer")

For more, see the relevant help or
Stata Journal 2(4), 411-427 (2002), esp. Section 2.2.

[email protected]

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