Returns the line of text containing loc within a string, counting newlines as line separators.

Method for quick testing of a parser against a test string. Good for simple inline microtests of sub expressions while building up la

Scan the input string for expression matches. Each match will return the matching tokens, start location, and end location. May be

Extension to :class:`scanString`, to modify matching text with modified tokens that may be returned from a parse action. To use ``tr

Uses feeder to read and convert from in_stream and write to out_stream.

Internal helper to construct opening and closing tag expressions, given a tag name

Returns the named parse results as a nested dictionary. Example:: integer = Word(nums) date_str = integer("

Returns a new copy of a :class:`ParseResults` object.

Make a copy of this :class:`ParserElement`. Useful for defining different parse actions for the same parsing pattern, using copies o

Returns current line number within a string, counting newlines as line separators. The first line is number 1. Note - the default parsing beh

Define name for referencing matching tokens as a nested attribute of the returned parse results. NOTE: this returns a *copy*

r"""Helper to easily define string ranges for use in Word construction. Borrows syntax from regexp '[]' string range definitions:: sr