nl_tokens: Checks if a range is included either in 0 - 9 a - z or A - Z
pl_tokens: <mask> isSimpleRange ( classRange ) { const { from , to } = classRange ; return ( from . codePoint >= DIGIT_0_CP && from . codePoint <= DIGIT_9_CP && to . codePoint >= DIGIT_0_CP && to . codePoint <= DIGIT_9_CP ) || ( from . codePoint >= UPPER_A_CP && from . codePoint <= UPPER_Z_CP && to . codePoint >= UPPER_A_CP && to . codePoint <= UPPER_Z_CP ) || ( from . codePoint >= LOWER_A_CP && from . codePoint <= LOWER_Z_CP && to . codePoint >= LOWER_A_CP && to . codePoint <= LOWER_Z_CP ) ; }