Pyparsing - name not starting with a character -

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i trying use pyparsing identify keyword not beginning $ following input:

$abc = 5 # not valid 1 abc123 = 10 # valid 1 abc$ = 23 # valid 1

i tried following 

var = word(printables, excludechars='$') var.parsestring('$abc')

but doesn't allow $ in var. how can specify printable characters other $ in first character position? appreciated.

thanks abhijit

you can use method used define "all characters except x" before added excludechars parameter word class:

not_dollar_sign = ''.join(c c in printables if c != '$') keyword_not_starting_with_dollar = word(not_dollar_sign, printables)

this should bit more efficient building combine , notany. match anything, integers, words, valid identifiers, invalid identifiers, i'm skeptical of value of kind of expression in parser.


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