Tool to simplify a regex. Regexp simplificator (or regular expression) shortens the string of characters to search for patterns in a text.

Regular Expression Simplificator - dCode

Tag(s) : Data processing

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Tool to simplify a regex. Regexp simplificator (or regular expression) shortens the string of characters to search for patterns in a text.

The regular expressions simplifier replaces useless elements in a regular expression in order to minimize it or make it more readable by analyzing patterns component of the regex string.

Example: x{0,} is equivalent to x*

Example: [aaabbb] is equivalent to [ab]

Example: (ab|ac) can also be written a[bc]

Some regular expressions can not be simplified. In this case, the program will return the same string.

The program is in beta test, and does not work all the times! More, some parentheses, potentially useful for capturing can be deleted and escape characters can be ignored.

There are shorthand character classes and metacharacters:

abbreviation | equivalent |
---|---|

\d | [0-9] |

\w | [A-Za-z0-9_] |

\s | [ \t\r\n\f] |

\D | [^\d] |

\W | [^\w] |

\S | [^\s] |

The letter d for digit (digit), w for word (letter / alphanumetic character) and s for space (spacing), uppercase letters represent the negation of the set

Example: D for a character that is not a number, etc.

dCode retains ownership of the source code of the script Regular Expression Simplificator online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be given for free. To download the online Regular Expression Simplificator script for offline use on PC, iPhone or Android, ask for price quote on contact page !

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Source : https://www.dcode.fr/regular-expression-simplificator

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