Institut für Astronomie und Astrophysik
Abteilung AstronomieSand 1, D-72076 Tübingen, Germany
Count number of occurrences of a substring in a string.
num = strcnt(strn, substring, [pos])
string -- The string in which to count occurences. in substring -- The substring to count occurrences of. in pos -- the position at which to begin the search. [in] If not supplied, start at beginning of string.
/HELP -- Print useful message and return.
num -- Number of occurances of substring in string. out
Overlapping occurances are not counted separately. For example, counting occurances of 'bb' in 'blah bbb' returns one occurance.
$Id: strcnt.pro,v 1.3 1996/06/14 20:00:27 mcraig Exp $ $Log: strcnt.pro,v $ Revision 1.3 1996/06/14 20:00:27 mcraig Updated Copyright info. Revision 1.2 1996/05/09 00:22:17 mcraig Added fast processing using BYTE arrays if we are counting occurences of a single character. Added error handling. Revision 1.1 1996/01/31 18:47:37 mcraig Initial revision
$Name: Rel_2_1_2 $
Copyright (C) 1996 The Regents of the University of California, All Rights Reserved. Written by Matthew W. Craig. See the file COPYRIGHT for restrictions on distrubting this code. This code comes with absolutely NO warranty; see DISCLAIMER for details.
[Home Page] [Software, Documentation] [IDL Documentation] [Quick Reference] [Feedback]