Revert "workaround for missing Character#isLetter impl in scala.js"

paullepoulpe · paullepoulpe · commit f5e527d0098c · 2015-12-29T14:30:29.000+01:00
This reverts commit 37cc288.
diff --git a/src/main/scala/scala/util/parsing/combinator/lexical/Lexical.scala b/src/main/scala/scala/util/parsing/combinator/lexical/Lexical.scala
@@ -13,8 +13,6 @@ package util.parsing
 package combinator
 package lexical
 
-import java.util.regex.Pattern
-
 import token._
 import input.CharArrayReader.EofCh
 
@@ -28,11 +26,8 @@ import input.CharArrayReader.EofCh
  */
 abstract class Lexical extends Scanners with Tokens {
 
-  private lazy val isLetterPattern = Pattern.compile("\\p{L}")
-
   /** A character-parser that matches a letter (and returns it).*/
-  // def letter = elem("letter", _.isLetter)
-  def letter = elem("letter", e => isLetterPattern.matcher(e.toString).matches())
+  def letter = elem("letter", _.isLetter)
 
   /** A character-parser that matches a digit (and returns it).*/
   def digit = elem("digit", _.isDigit)
