Determine if a string is collapsible: Difference between revisions

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m Added check for collapsable string to prolog
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Added Sidef
Line 1,212:
COLLAPSED : length = 7, string = «««ardvark»»»
This string IS collapsible !
</pre>
 
=={{header|Sidef}}==
<lang ruby>func squeeze(str) {
str.gsub(/(.)\1+/, {|s1| s1 })
}
 
var strings = ["",
'"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',
"..1111111111111111111111111111111111111111111111111111111111111117777888",
"I never give 'em hell, I just tell the truth, and they think it's hell. ",
" --- Harry S Truman ",
"The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
"headmistressship",
"aardvark",
"😍😀🙌💃😍😍😍🙌"]
 
strings.each {|str|
var ssq = squeeze(str)
say "«««#{str}»»» (length: #{str.len})"
say "«««#{ssq}»»» (length: #{ssq.len})\n"
}</lang>
{{out}}
<pre style="font-size: 80%">
«««»»» (length: 0)
«««»»» (length: 0)
 
«««"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln »»» (length: 72)
«««"If I were two-faced, would I be wearing this one?" - Abraham Lincoln »»» (length: 70)
 
«««..1111111111111111111111111111111111111111111111111111111111111117777888»»» (length: 72)
«««.178»»» (length: 4)
 
«««I never give 'em hell, I just tell the truth, and they think it's hell. »»» (length: 72)
«««I never give 'em hel, I just tel the truth, and they think it's hel. »»» (length: 69)
 
««« --- Harry S Truman »»» (length: 72)
««« - Hary S Truman »»» (length: 17)
 
«««The better the 4-wheel drive, the further you'll be from help when ya get stuck!»»» (length: 80)
«««The beter the 4-whel drive, the further you'l be from help when ya get stuck!»»» (length: 77)
 
«««headmistressship»»» (length: 16)
«««headmistreship»»» (length: 14)
 
«««aardvark»»» (length: 8)
«««ardvark»»» (length: 7)
 
«««😍😀🙌💃😍😍😍🙌»»» (length: 8)
«««😍😀🙌💃😍🙌»»» (length: 6)
</pre>