---
title: "ClikaRT::regex::Regex::Options"
sidebar_label: "Regex::Options"
description: "Compile-time options (a subset of the engine's)."
---

<!-- Generated by tools/doxygen2mdx from Doxygen XML. Do not edit. -->

<span class="api-kind api-kind--struct">struct</span>

**Header:** `ClikaRT/regex/regex.h`

Compile-time options (a subset of the engine's).

## Data members

### case\_sensitive {#case_sensitive}

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`bool` **`case_sensitive`** `= true`

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false → case-insensitive

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Declared in `ClikaRT/regex/regex.h`, line 54

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### longest\_match {#longest_match}

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`bool` **`longest_match`** `= false`

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leftmost-longest, not leftmost-first

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Declared in `ClikaRT/regex/regex.h`, line 55

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### dot\_matches\_newline {#dot_matches_newline}

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`bool` **`dot_matches_newline`** `= false`

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`.` also matches a newline

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Declared in `ClikaRT/regex/regex.h`, line 56

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### never\_capture {#never_capture}

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`bool` **`never_capture`** `= false`

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treat every group as non-capturing

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Declared in `ClikaRT/regex/regex.h`, line 57

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### max\_program\_memory {#max_program_memory}

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`std::int64_t` **`max_program_memory`** `= 0`

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\>0 → cap compiled-program memory (bytes)

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Declared in `ClikaRT/regex/regex.h`, line 58

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### encoding {#encoding}

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[`Encoding`](./Regex.md#Encoding) **`encoding`** `=` [`Encoding::Utf8`](./Regex.md#Encoding)

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byte interpretation

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Declared in `ClikaRT/regex/regex.h`, line 59

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