Tweaks

Author: javiereguiluz

components/string.rst

@@ -177,6 +177,8 @@ There is also a method to get the bytes stored at some position::
     b('नमस्ते')->bytesAt(1);   // [164]
     u('नमस्ते')->bytesAt(1);   // [224, 164, 174]
 
+.. _methods-related-to-length-and-white-spaces:
+
 Methods Related to Length and Whitespace Characters
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -207,9 +209,9 @@ Methods Related to Length and Whitespace Characters
     u('     ')->isEmpty();        // false
     u('')->isEmpty();             // true
 
-    // removes all whitespace from the start and end of the string and replaces two
-    // or more consecutive whitespace characters inside contents by a single white space
-    u("  \n\n   hello        world \n    \n")->collapseWhitespace(); // 'hello world'
+    // removes all whitespace (' \n\r\t\x0C') from the start and end of the string and
+    // replaces two or more consecutive whitespace characters with a single space (' ') character
+    u("  \n\n   hello \t   \n\r   world \n    \n")->collapseWhitespace(); // 'hello world'
 
 Methods to Change Case
 ~~~~~~~~~~~~~~~~~~~~~~