Libraries tagged by impressions

Implementation of the Specification pattern and logical expressions for PHP.

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Lexical analyzer with individual token definition with regular expressions

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Library that generates regular expressions that match a list of strings.

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Converts cron expressions into human readable descriptions.

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✖️➕➖➗ `math_eval` safely evaluates mathematical expressions

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Validates popular debit and credit cards numbers against regular expressions and Luhn algorithm. Also validates the CVC and the expiration date

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StringCalc is a PHP calculator library for mathematical terms (expressions) passed as strings.

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A wrapper that allows you to validate regular expressions and handle normally uncatchable PCRE compilation warnings

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Optimization of the final page: reformatting the (x)HTML output & removal of new-lines, comments and generator-info including search and replace strings using your regular expressions. In addition combines all SVG selected within content-elements into one file and replaces by .

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A simple language written in PHP that evaluates expressions without eval

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Convert Regular Expressions into text, for testing

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A validator for crontab expressions.

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Validates popular debit and credit cards' numbers against regular expressions and Luhn algorithm. Also validates the CVC and the expiration date.

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Lambda expressions for Twig and filters that make use of them

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An extensible mathematical expression parser and evaluator.

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