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Top Forums UNIX for Beginners Questions & Answers Help with pattern match and Extract Post 303025900 by Don Cragun on Wednesday 14th of November 2018 10:38:47 PM
Old 11-14-2018
What shell and operating system are you using?

What have you tried to solve this problem on your own? Where are you stuck?

Why isn't the output from the second line in your example:
Code:
CONC- BC SB_RESTO CRYSTALS BOILERS--> There is only

There are two occurrences of SB in that line and three additional occurrences of B as well (one before the first SB, one between the two occurrences of SB, and one after the last SB).
 

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Tcl_StringMatch(3)					      Tcl Library Procedures						Tcl_StringMatch(3)

__________________________________________________________________________________________________________________________________________________

NAME
Tcl_StringMatch, Tcl_StringCaseMatch - test whether a string matches a pattern SYNOPSIS
#include <tcl.h> int Tcl_StringMatch(string, pattern) int Tcl_StringCaseMatch(string, pattern, nocase) ARGUMENTS
char *string (in) String to test. char *pattern (in) Pattern to match against string. May contain special characters from the set *?[]. int nocase (in) Specifies whether the match should be done case-sensitive (0) or case-insensitive (1). _________________________________________________________________ DESCRIPTION
This utility procedure determines whether a string matches a given pattern. If it does, then Tcl_StringMatch returns 1. Otherwise Tcl_StringMatch returns 0. The algorithm used for matching is the same algorithm used in the ``string match'' Tcl command and is similar to the algorithm used by the C-shell for file name matching; see the Tcl manual entry for details. | In Tcl_StringCaseMatch, the algorithm is the same, but you have the option to make the matching case-insensitive. If you choose this (by | passing nocase as 1), then the string and pattern are essentially matched in the lower case. KEYWORDS
match, pattern, string Tcl 8.1 Tcl_StringMatch(3)
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