Snake Case

ardallie · ardallie · commit 85cf1f7323db · 2021-08-15T18:00:05.000+01:00
diff --git a/src/easy/SnakeCase.java b/src/easy/SnakeCase.java
@@ -0,0 +1,38 @@
+package easy;
+
+/**
+ * Have the function SnakeCase(str) take the str parameter being passed
+ * and return it in proper snake case format where each word is lowercased
+ * and separated from adjacent words via an underscore.
+ * The string will only contain letters and some combination
+ * of delimiter punctuation characters separating each word.
+ */
+public class SnakeCase {
+
+  /**
+   * Snake Case function.
+   *
+   * @param str input string
+   * @return a string in a snake case format
+   */
+  private static String snakeCase(String str) {
+    return str
+        .toLowerCase()
+        .replaceAll("([^a-z])", " ")
+        .replaceAll(" +", "_")
+        .trim();
+  }
+
+  /**
+   * Entry point.
+   *
+   * @param args command line arguments
+   */
+  public static void main(String[] args) {
+    var result1 = snakeCase("Revolt is the right of the people");
+    System.out.println(result1);
+    var result2 = snakeCase("Fortitude is the guard and support of the other virtues");
+    System.out.println(result2);
+  }
+
+}
