String matching: Difference between revisions
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(→Tcl: Added implementation) |
m (→{{header|Tcl}}: Explanatory notes) |
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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In this code, we are looking in various ways for the string in the variable <tt>needle</tt> in the string in the variable <tt>haystack</tt>. |
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<lang tcl>set isPrefix [string equal -length [string length $needle] $haystack $needle] |
<lang tcl>set isPrefix [string equal -length [string length $needle] $haystack $needle] |
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set isContained [expr {[string first $needle $haystack] >= 0}] |
set isContained [expr {[string first $needle $haystack] >= 0}] |
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