Data commit

Task/Determine-if-a-string-is-collapsible/Swift/determine-if-a-string-is-collapsible.swift

@@ -0,0 +1,17 @@
+let 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",
+	"😍😀🙌💃😍😍😍🙌"
+]
+
+let collapsedStrings = strings.map { $0.replacingOccurrences( of: #"(.)\1*"#, with: "$1", options: .regularExpression)}
+
+for (original, collapsed) in zip(strings, collapsedStrings) {
+	print (String(format: "%03d «%@»\n%03d «%@»\n", original.count, original, collapsed.count, collapsed))
+}