From 19fed40aac6ead16df4c30d2aa28fd3700ad5a7e Mon Sep 17 00:00:00 2001
From: Shekhar Gulati <shekhargulati84@gmail.com>
Date: Sat, 21 May 2016 18:05:13 +0530
Subject: [PATCH] Fixed #14. Added support for `leftTrim` function

---
 src/main/java/strman/Strman.java     | 11 ++++++++++-
 src/test/java/strman/StrmanTest.java |  6 ++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/main/java/strman/Strman.java b/src/main/java/strman/Strman.java
index 8515e42..c1e6230 100644
--- a/src/main/java/strman/Strman.java
+++ b/src/main/java/strman/Strman.java
@@ -602,7 +602,16 @@ public abstract class Strman {
         return value.toLowerCase().lastIndexOf(needle.toLowerCase(), offset);
     }
 
-
+    /**
+     * Removes all spaces on left
+     *
+     * @param value The input String
+     * @return String without left border spaces
+     */
+    public static String leftTrim(final String value) {
+        validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
+        return value.replaceAll("^\\s+", "");
+    }
 
     public static String decode(final String value, final int digits, final int radix) {
         validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
diff --git a/src/test/java/strman/StrmanTest.java b/src/test/java/strman/StrmanTest.java
index b28f853..c388bfd 100644
--- a/src/test/java/strman/StrmanTest.java
+++ b/src/test/java/strman/StrmanTest.java
@@ -475,4 +475,10 @@ public class StrmanTest {
         assertThat(lastIndexOf(value, "R", false), equalTo(11));
         assertThat(lastIndexOf(value, "T", false), equalTo(-1));
     }
+
+    @Test
+    public void leftTrim_shouldRemoveSpacesOnLeft() throws Exception {
+        assertThat(leftTrim("     strman"), equalTo("strman"));
+        assertThat(leftTrim("     strman  "), equalTo("strman  "));
+    }
 }
\ No newline at end of file