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POParameterizing using Regex
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19741269
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2013-11-02T11:08:51.693
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I am trying to implement a c++ parser using boost and regex. I need to be able to parse statements like the following: <pre><code>parameters a1=bbb b a2=bbb b a3 =bbb parameters a4=b a5=bb parameters a6=b a7=[b b b] aa8=b b b </code></pre> For this input, the desired parameters would be: <pre><code>a1=bbb b a2=bbb b a3 =bbb a4=b a5=bb a6=b a7=[b b b] aa8=b b b </code></pre> Where a and b could be any of the following chars: A-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%_\,;:|/&()-+*^.<> or the following patterns: (==)(<=)(>=) The name of the parameter does not allow spaces, however, the value does. I was trying the code below, but it does not work properly: <pre><code>[A-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+\s*=\s*([\sA-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+(?!(([\sA-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+)?\s*=\s*[\sA-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+))|[A-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+|(\[[\sA-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+\])) </code></pre> The pattern <pre><code>[A-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+\s*=\s*([A-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+|(\[[\sA-Za-z0-9çÇñÑáÁéÉíÍóÓúÚ@%\_\\\,\;\:\|\/\&\(\)\-\+\*\^\.(==)\>\<(\<=)(\>=)]+\])) </code></pre> works as far as the value does not contain spaces. Could you please help me? Thanks in advance
Tags
<c++><regex><boost>
Title
Parameterizing using Regex
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1. PO
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1. USfernando garcía
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1. PO
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2. PO
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1. VO
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 POParameterizing using Regex
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1. COUse Boost::Spirit. regex is not for parsing.
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 POParameterizing using Regex
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2. COParsing C++ is an insane amount of work. Unless you are doing it for learning pourposes I would recommend you to use [GCC-XML](http://gccxml.github.io/HTML/Index.html). Also, don't use regex for that, you will fall in some "gotcha" sooner or later.
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 POParameterizing using Regex
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