Download Latest Version Pyparsing 3.3.2 source code.tar.gz (6.9 MB)
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pyparsing-3.3.2-py3-none-any.whl 2026-01-21 122.8 kB
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pyparsing-3.3.2.tar.gz 2026-01-21 6.9 MB
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Pyparsing 3.3.2 source code.tar.gz 2026-01-21 6.9 MB
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Pyparsing 3.3.2 source code.zip 2026-01-21 6.9 MB
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README.md 2026-01-21 1.5 kB
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Totals: 5 Items   20.7 MB 0
  • Defined pyparsing-specific warning classes so that they can be selectively enabled or disabled without affecting warnings raised by other libraries in the same Python app:
  • PyparsingWarning - base warning for all pyparsing-specific warnings (inherits from UserWarning)
  • PyparsingDeprecationWarning - warning for using deprecated features (inherits from PyparsingWarning and DeprecationWarning)

  • PyparsingDiagnosticWarning - warning raised when pyparsing diagnostics are enabled and a diagnostic feature is used (inherits from PyparsingWarning)

  • Added as_datetime parse action to pyparsing.common - a more generalized version of the convert_to_datetime parse action (supports any expression that extracts date/time fields into "year", "month", "day", etc. results names), and validates that the parsed fields represent a valid date and time.

  • Added iso8601_date_validated and iso8601_datetime_validated expressions to pyparsing.common, which return a Python datetime.datetime

  • Various performance improvements in ParseResults class and core functions, with 10-20% performance overall.

  • Added regex_inverter web page (using PyScript) to demonstrate using the inv_regex.py example.

  • Expanded regex forms handled by the examples/inv_regex.py example:

  • named capturing groups (?P<name>)
  • partial repetition ({m,} and {,n})

  • negated character classes ([^...])

  • Added SPy (Simplified Python) parser to examples.

Source: README.md, updated 2026-01-21