MOSS: Stata module to find multiple occurrences of substrings

Robert Picard and Nicholas Cox

Statistical Software Components from Boston College Department of Economics

Abstract: moss finds occurrences of substrings matching a pattern in a given string variable. Depending on what is sought and what is found, variables are created giving the count of occurrences (always); the positions of occurrences (whenever any are found); and the exact substrings found (when a regular expression defines a subexpression to be returned).

Language: Stata
Requires: Stata version 9
Keywords: data management; strings; substrings; regular expressions (search for similar items in EconPapers)
Date: 2011-03-28, Revised 2016-04-29
Note: This module should be installed from within Stata by typing "ssc install moss". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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http://fmwww.bc.edu/repec/bocode/m/moss.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/m/moss.sthlp help file (text/plain)

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