nv-char-uplow

• simple util to check if a char/code-point is lower-case OR upper-case OR both-case OR neither-case
• coz some special-char .toUpperCase().toLowerCase() NOT same as self

install

• npm install nv-char-uplow

splitted

usage

  const x   = require("nv-char-uplow");

example

			> x.is_unrecover_toupp_cd('ς'.codePointAt(0))
			true
			> 'ς'.toUpperCase()
			'Σ'
			> 'ς'.toUpperCase().toLowerCase()
			'σ'
			> 'ς'.toUpperCase().toLowerCase().toUpperCase()
			'Σ'
			> 'ς'.toUpperCase().toLowerCase() !== 'ς'
			true
			> 

METHODS

APIS

		{
		  clsify: [Function: clsify],
		  is_neither_case_cd: [Function: is_neither_case_cd],
		  is_low_case_only_cd: [Function: is_low_case_only_cd],
		  is_upp_case_only_cd: [Function: is_upp_case_only_cd],
		  is_both_case_cd: [Function: is_both_case_cd],
		  TO_UPPER_WILL_CHANGE_CHAR_LEN_ENTRIES: [
		    [ 'ß', 1, 'SS', 2 ],  [ 'ʼn', 1, 'ʼN', 2 ],  [ 'ǰ', 1, 'J̌', 2 ],
		    [ 'ΐ', 1, 'Ϊ́', 3 ],   [ 'ΰ', 1, 'Ϋ́', 3 ],   [ 'և', 1, 'ԵՒ', 2 ],
		    [ 'ẖ', 1, 'H̱', 2 ],   [ 'ẗ', 1, 'T̈', 2 ],   [ 'ẘ', 1, 'W̊', 2 ],
		    [ 'ẙ', 1, 'Y̊', 2 ],   [ 'ẚ', 1, 'Aʾ', 2 ],  [ 'ὐ', 1, 'Υ̓', 2 ],
		    [ 'ὒ', 1, 'Υ̓̀', 3 ],   [ 'ὔ', 1, 'Υ̓́', 3 ],   [ 'ὖ', 1, 'Υ̓͂', 3 ],
		    [ 'ᾀ', 1, 'ἈΙ', 2 ],  [ 'ᾁ', 1, 'ἉΙ', 2 ],  [ 'ᾂ', 1, 'ἊΙ', 2 ],
		    [ 'ᾃ', 1, 'ἋΙ', 2 ],  [ 'ᾄ', 1, 'ἌΙ', 2 ],  [ 'ᾅ', 1, 'ἍΙ', 2 ],
		    [ 'ᾆ', 1, 'ἎΙ', 2 ],  [ 'ᾇ', 1, 'ἏΙ', 2 ],  [ 'ᾈ', 1, 'ἈΙ', 2 ],
		    [ 'ᾉ', 1, 'ἉΙ', 2 ],  [ 'ᾊ', 1, 'ἊΙ', 2 ],  [ 'ᾋ', 1, 'ἋΙ', 2 ],
		    [ 'ᾌ', 1, 'ἌΙ', 2 ],  [ 'ᾍ', 1, 'ἍΙ', 2 ],  [ 'ᾎ', 1, 'ἎΙ', 2 ],
		    [ 'ᾏ', 1, 'ἏΙ', 2 ],  [ 'ᾐ', 1, 'ἨΙ', 2 ],  [ 'ᾑ', 1, 'ἩΙ', 2 ],
		    [ 'ᾒ', 1, 'ἪΙ', 2 ],  [ 'ᾓ', 1, 'ἫΙ', 2 ],  [ 'ᾔ', 1, 'ἬΙ', 2 ],
		    [ 'ᾕ', 1, 'ἭΙ', 2 ],  [ 'ᾖ', 1, 'ἮΙ', 2 ],  [ 'ᾗ', 1, 'ἯΙ', 2 ],
		    [ 'ᾘ', 1, 'ἨΙ', 2 ],  [ 'ᾙ', 1, 'ἩΙ', 2 ],  [ 'ᾚ', 1, 'ἪΙ', 2 ],
		    [ 'ᾛ', 1, 'ἫΙ', 2 ],  [ 'ᾜ', 1, 'ἬΙ', 2 ],  [ 'ᾝ', 1, 'ἭΙ', 2 ],
		    [ 'ᾞ', 1, 'ἮΙ', 2 ],  [ 'ᾟ', 1, 'ἯΙ', 2 ],  [ 'ᾠ', 1, 'ὨΙ', 2 ],
		    [ 'ᾡ', 1, 'ὩΙ', 2 ],  [ 'ᾢ', 1, 'ὪΙ', 2 ],  [ 'ᾣ', 1, 'ὫΙ', 2 ],
		    [ 'ᾤ', 1, 'ὬΙ', 2 ],  [ 'ᾥ', 1, 'ὭΙ', 2 ],  [ 'ᾦ', 1, 'ὮΙ', 2 ],
		    [ 'ᾧ', 1, 'ὯΙ', 2 ],  [ 'ᾨ', 1, 'ὨΙ', 2 ],  [ 'ᾩ', 1, 'ὩΙ', 2 ],
		    [ 'ᾪ', 1, 'ὪΙ', 2 ],  [ 'ᾫ', 1, 'ὫΙ', 2 ],  [ 'ᾬ', 1, 'ὬΙ', 2 ],
		    [ 'ᾭ', 1, 'ὭΙ', 2 ],  [ 'ᾮ', 1, 'ὮΙ', 2 ],  [ 'ᾯ', 1, 'ὯΙ', 2 ],
		    [ 'ᾲ', 1, 'ᾺΙ', 2 ],  [ 'ᾳ', 1, 'ΑΙ', 2 ],  [ 'ᾴ', 1, 'ΆΙ', 2 ],
		    [ 'ᾶ', 1, 'Α͂', 2 ],   [ 'ᾷ', 1, 'Α͂Ι', 3 ],  [ 'ᾼ', 1, 'ΑΙ', 2 ],
		    [ 'ῂ', 1, 'ῊΙ', 2 ],  [ 'ῃ', 1, 'ΗΙ', 2 ],  [ 'ῄ', 1, 'ΉΙ', 2 ],
		    [ 'ῆ', 1, 'Η͂', 2 ],   [ 'ῇ', 1, 'Η͂Ι', 3 ],  [ 'ῌ', 1, 'ΗΙ', 2 ],
		    [ 'ῒ', 1, 'Ϊ̀', 3 ],   [ 'ΐ', 1, 'Ϊ́', 3 ],   [ 'ῖ', 1, 'Ι͂', 2 ],
		    [ 'ῗ', 1, 'Ϊ͂', 3 ],   [ 'ῢ', 1, 'Ϋ̀', 3 ],   [ 'ΰ', 1, 'Ϋ́', 3 ],
		    [ 'ῤ', 1, 'Ρ̓', 2 ],   [ 'ῦ', 1, 'Υ͂', 2 ],   [ 'ῧ', 1, 'Ϋ͂', 3 ],
		    [ 'ῲ', 1, 'ῺΙ', 2 ],  [ 'ῳ', 1, 'ΩΙ', 2 ],  [ 'ῴ', 1, 'ΏΙ', 2 ],
		    [ 'ῶ', 1, 'Ω͂', 2 ],   [ 'ῷ', 1, 'Ω͂Ι', 3 ],  [ 'ῼ', 1, 'ΩΙ', 2 ],
		    [ 'ff', 1, 'FF', 2 ],  [ 'fi', 1, 'FI', 2 ],  [ 'fl', 1, 'FL', 2 ],
		    [ 'ffi', 1, 'FFI', 3 ], [ 'ffl', 1, 'FFL', 3 ], [ 'ſt', 1, 'ST', 2 ],
		    [ 'st', 1, 'ST', 2 ],  [ 'ﬓ', 1, 'ՄՆ', 2 ],  [ 'ﬔ', 1, 'ՄԵ', 2 ],
		    [ 'ﬕ', 1, 'ՄԻ', 2 ],
		    ... 2 more items
		  ],
		  TO_LOWER_WILL_CHANGE_CHAR_LEN_ENTRIES: [ [ 'İ', 1, 'i̇', 2 ] ],
		  is_unrecover_toupp_low_case_cd: [Function: is_unrecover_toupp_low_case_cd],
		  is_unrecover_tolow_upp_case_cd: [Function: is_unrecover_tolow_upp_case_cd],
		  is_unrecover_toupp_cd: [Function: is_unrecover_toupp_cd],
		  is_unrecover_tolow_cd: [Function: is_unrecover_tolow_cd]
		}

LICENSE

• ISC