Parser Combinators

How to build simple parsers for text and numbers.

Oct 17, 2026

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Parser Combinators

How to build simple parsers for text and numbers.

In brief

How to build simple parsers for text and numbers. Parser combinators create reusable code for parsing text and numbers like IP addresses. Originally reported by T3.

pString

This parser matches exact text like PING.

pInteger

This parser matches whole numbers like 64.

pDecimal

This parser matches numbers with optional fractions like 68.7.

pIpV4Address

This parser matches IP addresses like 1.1.1.1.

In short

Parser combinators create reusable code for parsing text and numbers like IP addresses.

Read the original on T3

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