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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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3
Task/String-matching/Tcl/string-matching-1.tcl Normal file
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set isPrefix [string equal -length [string length $needle] $haystack $needle]
set isContained [expr {[string first $needle $haystack] >= 0}]
set isSuffix [string equal $needle [string range $haystack end-[expr {[string length $needle]-1}] end]]

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Task/String-matching/Tcl/string-matching-2.tcl Normal file
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set isPrefix [string match $needle* $haystack]
set isContained [string match *$needle* $haystack]
set isSuffix [string match *$needle $haystack]

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Task/String-matching/Tcl/string-matching-3.tcl Normal file
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set isContained [regexp ***=$needle $haystack]

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Task/String-matching/Tcl/string-matching-4.tcl Normal file
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set matchLocations [regexp -indices -all -inline ***=$needle $haystack]
# Each match location is a pair, being the index into the string where the needle started
# to match and the index where the needle finished matching
set isContained [expr {[llength $matchLocations] > 0}]
set isPrefix [expr {[lindex $matchLocations 0 0] == 0}]
set isSuffix [expr {[lindex $matchLocations end 1] == [string length $haystack]-1}]
set firstMatchStart [lindex $matchLocations 0 0]
puts "Found \"$needle\" in \"$haystack\" at $firstMatchStart"
foreach location $matchLocations {
puts "needle matched at index [lindex $location 0]"
}