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Added regexp stuff

    1: \ regexp test
    2: 
    3: charclass [bl-]   blanks +class '- +char
    4: charclass [0-9(]  '( +char '0 '9 ..char
    5: 
    6: : telnum ( addr u -- flag )
    7:     (( {{ ` (  \( \d \d \d \) ` ) || \( \d \d \d \) }}  blanks c?
    8:     \( \d \d \d \) [bl-] c?
    9:     \( \d \d \d \d \) {{ \$ || -\d }} )) ;
   10: 
   11: : ?tel ( addr u -- ) telnum
   12:     IF  '( emit \1 type ." ) " \2 type '- emit \3 type ."  succeeded"
   13:     ELSE \0 type ."  failed " THEN ;
   14: 
   15: : ?tel-s ( addr u -- ) ?tel ."  should succeed" space depth . cr ;
   16: : ?tel-f ( addr u -- ) ?tel ."  should fail" space depth . cr ;
   17: 
   18: ." --- Telephone number match ---" cr
   19: s" (123) 456-7890" ?tel-s
   20: s" (123) 456-7890 " ?tel-s
   21: s" (123)-456 7890" ?tel-f
   22: s" (123) 456 789" ?tel-f
   23: s" 123 456-7890" ?tel-s
   24: s" 123 456-78909" ?tel-f
   25: 
   26: : telnum2 ( addr u -- flag )
   27:     (( // {{ [0-9(] -c? || \^ }}
   28:     {{ ` (  \( \d \d \d \) ` ) || \( \d \d \d \) }}  blanks c?
   29:     \( \d \d \d \) [bl-] c?
   30:     \( \d \d \d \d \) {{ \$ || -\d }} )) ;
   31: 
   32: : ?tel2 ( addr u -- ) telnum2
   33:     IF   '( emit \1 type ." ) " \2 type '- emit \3 type ."  succeeded"
   34:     ELSE \0 type ."  failed " THEN  cr ;
   35: ." --- Telephone number search ---" cr
   36: s" blabla (123) 456-7890" ?tel2
   37: s" blabla (123) 456-7890 " ?tel2
   38: s" blabla (123)-456 7890" ?tel2
   39: s" blabla (123) 456 789" ?tel2
   40: s" blabla 123 456-7890" ?tel2
   41: s" blabla 123 456-78909" ?tel2
   42: s" (123) 456-7890" ?tel2
   43: s"  (123) 456-7890 " ?tel2
   44: s" a (123)-456 7890" ?tel2
   45: s" la (123) 456 789" ?tel2
   46: s" bla 123 456-7890" ?tel2
   47: s" abla 123 456-78909" ?tel2
   48: 
   49: ." --- Number extraction test ---" cr
   50: 
   51: charclass [0-9,./:]  '0 '9 ..char ', +char '. +char '/ +char ': +char
   52: 
   53: : ?num
   54:     (( // \( {++ [0-9,./:] c? ++} \) ))
   55:     IF  \1 type  ELSE  \0 type ."  failed"  THEN   cr ;
   56: 
   57: s" 1234" ?num
   58: s" 12,345abc" ?num
   59: s" foobar12/345:678.9abc" ?num
   60: s" blafasel" ?num
   61: 
   62: ." --- String test --- " cr
   63: 
   64: : ?string
   65:     (( // \( {{ =" foo" || =" bar" || =" test" }} \) ))
   66:     IF  \1 type  cr THEN ;
   67: s" dies ist ein test" ?string
   68: s" foobar" ?string
   69: s" baz bar foo" ?string
   70: s" Hier kommt nichts vor" ?string
   71: 
   72: ." --- longer matches test --- " cr
   73: 
   74: : ?foos
   75:     (( \( {** =" foo" **} \) ))
   76:     IF  \1 type  ELSE  \0 type ."  failed"  THEN  cr ;
   77: 
   78: : ?foobars
   79:     (( // \( {** =" foo" **} \) \( {++ =" bar" ++} \) ))
   80:     IF  \1 type ', emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ;
   81: 
   82: : ?foos1
   83:     (( // \( {+ =" foo" +} \) \( {++ =" bar" ++} \) ))
   84:     IF  \1 type ', emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ;
   85: 
   86: s" foobar" ?foos
   87: s" foofoofoobar" ?foos
   88: s" fofoofoofofooofoobarbar" ?foos
   89: s" bla baz bar" ?foos
   90: s" foofoofoo" ?foos
   91: 
   92: s" foobar" ?foobars
   93: s" foofoofoobar" ?foobars
   94: s" fofoofoofofooofoobarbar" ?foobars
   95: s" bla baz bar" ?foobars
   96: s" foofoofoo" ?foobars
   97: 
   98: s" foobar" ?foos1
   99: s" foofoofoobar" ?foos1
  100: s" fofoofoofofooofoobarbar" ?foos1
  101: s" bla baz bar" ?foos1
  102: s" foofoofoo" ?foos1
  103: 
  104: script? [IF] bye [THEN]