The lark parser predefines some common terminals, including a string. It is defined as follows: _STRING_INNER: /.*?/ _STRING_ESC_INNER: _STRING_INNER /(?<!\\)(\\\\)*?/ ESCAPED_STRING : "\"" _...

I'm trying to create a grammar to parse some Excel-like formulas I have devised, where a special character in the beginning of a string signifies a different source. For example, $ can signify a st...

Consider this snippet: import sys import textwrap import re from PyQt5.Qt import * # noqa from PyQt5.Qsci import QsciScintilla from PyQt5.Qsci import QsciLexerCustom from lark import Lark, inli...

I am parsing a file with a format that can include: INT32 price min 10 max 100 alertIfSold ; The min, max and alertIfSold tokens are all optional and can appear in any order. That is INT32 pr...

I have a priority problem in my grammar, and I don't have any more idea to fix it. I'm using Lark Here is the thing (I have simplified the problem as much as I can): from lark import Lark parse...