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Operates On:  Lexical Items with TOKEN flag

Configuration

and possibly other flags as specified below.

Configuration Parameters

• case (boolean, optional) -

  Parameter
  summary

  If true, all tokens are separated on a case change

  (

  default

  = true)number (boolean, optional) -

  true name case type boolean

• Parameter
  summary If true, all tokens are separated on a letter-number

  . (

  default

  = true)

  true name number type boolean

• Parameter
  summary If true, all tokens are separated on an alphanumeric-punctuation default true name punctuation type boolean

• punctuation (boolean, optional) -

  Parameter
  summary

  If true, all tokens are separated on an alphanumeric-punctuation

  . (default = true)

  name splitFlag

{
  	"type":"CharChangeSplitter",
  	"case": true,
	"number": true,
	"punctuation": true
}

Output Flags

Note that flags are placed on every token as appropriate to the current token:

• If the token is "President" then that token will have the TITLE_CASE flag.
• If a new lower-case normalized interpretation, "president" is added as an alternative, this alternative will have the "ALL_LOWER_CASE" flag.

Lex-Item Flags:

• TOKEN - All tokens produced are tagged as TOKEN

Vertex Flags:

• CHAR_CHANGE -  Identifies the vertex as a change between character formats

Example

...

Example Output

V--[Issues]--V--[with]--V------------[SagaToken123@#$]-------------V--[send]--V--[email]--V--[to]--V-------------------[[email protected]]--------------------V--[for]--V--[HELP]--V 
                        ^--[Saga]--V--[Token]--V--[123]--V--[@#$]--^                               ^--[it]--V--[@]--V--[this]--V--[Company]--V--[.]--V--[com]--^  

...

No split on punctuation

{
	"type":"CharChangeSplitter",
	"punctuation" : false
}

V--[Issues]--V--[with]--V---------[SagaToken123@#$]---------V--[send]--V--[email]--V--[to]--V-----[[email protected]]------V--[for]--V--[HELP]--V
                        ^--[Saga]--V--[Token]--V--[123@#$]--^                               ^--[it@this]--V--[Company.com]--^  

Without Number  Separation

No split on number change

{
	"type":"CharChangeSplitter",
	"number" : false
}

V--[Issues]--V--[with]--V---------[SagaToken123@#$]---------V--[send]--V--[email]--V--[to]--V-------------------[[email protected]]--------------------V--[for]--V--[HELP]--V
                        ^--[Saga]--V--[Token123]--V--[@#$]--^                               ^--[it]--V--[@]--V--[this]--V--[Company]--V--[.]--V--[com]--^  

...

No split on casing

{
	"type":"CharChangeSplitter",
	"case" : false
}

V--[Issues]--V--[with]--V---------[SagaToken123@#$]---------V--[send]--V--[email]--V--[to]--V----------------[[email protected]]----------------V--[for]--V--[HELP]--V
                        ^--[SagaToken]--V--[123]--V--[@#$]--^                               ^--[it]--V--[@]--V--[thisCompany]--V--[.]--V--[com]--^  

Output Flags

Note that flags are placed on every token as appropriate to the current token:

• If the token being processed is "token.123", the parameter "punctuation" is set, then one of tokens generated should be "." and it will have the ALL_PUNCTUATION flag.
• If the token being processed is "token.123", the parameter "punctuation" is NOT set, then one of tokens generated should be "token." and it will have the HAS_PUNCTUATION flag.

Lex-Item Flags:

• TOKEN - All tokens produced are tagged as TOKEN.
• ALL_PUNCTUATION - Tokens processed or produced composed only of punctuation characters are tagged as ALL_PUNCTUATION.
• HAS_DIGIT - Tokens produced with at least one digit character are tagged as HAS_DIGIT. 
• HAS_PUNCTUATION - Tokens produced with at least one punctuation character are tagged as HAS_PUNCTUATION. (ALL_PUNCTUATION will not be tagged as HAS_PUNCTUATION).
• ALL_DIGITS -  All characters in the token are digits.
• HAS_LETTER - At least one character is a letter.
• ALL_LETTERS - All characters in the token are letters.
• SPLIT - Tokens split are tagged with SPLIT.
• SPLIT_ON_CASING - Split on lower to upper case.
• SPLIT_ON_NUM_TO_ALPHA - Split on number to alphabetic.
• SPLIT_ON_ALPHA_TO_NUM - Split on alphabetic to number.
• SPLIT_BEFORE_PUNCT - Split before punctuation.
• SPLIT_AFTER_PUNCT - Split after punctuation.
• SPLIT_DOUBLE_PUNCT - Split on two punctuation characters.

Vertex Flags:

If no flag is set on the "splitFlag" parameter:

• CHAR_CHANGE -  Identifies the vertex as change type between 2 character (between letter, number or punctuation).