Data commit

Task/Determine-if-a-string-is-numeric/Groovy/determine-if-a-string-is-numeric-1.groovy

@@ -0,0 +1,9 @@
+def isNumeric = {
+    def formatter = java.text.NumberFormat.instance
+    def pos = [0] as java.text.ParsePosition
+    formatter.parse(it, pos)
+
+    // if parse position index has moved to end of string
+    // them the whole string was numeric
+    pos.index == it.size()
+}

Task/Determine-if-a-string-is-numeric/Groovy/determine-if-a-string-is-numeric-2.groovy

@@ -0,0 +1,5 @@
+println isNumeric('1')
+println isNumeric('-.555')
+println isNumeric('1,000,000')
+println isNumeric(' 1 1 1 1 ')
+println isNumeric('abcdef')