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HPCC-31369 Document move to PCRE2 regex library #18521

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Apr 11, 2024
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HPCC-31369 Document move to PCRE2 regex library #18521

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6 changes: 3 additions & 3 deletions docs/EN_US/ECLLanguageReference/ECLR_mods/BltInFunc-REGEXFIND.xml
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Expand Up @@ -67,9 +67,9 @@
expression<indexterm>
<primary>Perl regular expression</primary>
</indexterm>. We use third-party libraries to support this, so for
non-unicode <emphasis>text</emphasis>, see boost docs at <ulink
url="http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html">http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html</ulink>.
Note that the version of Boost library may vary depending on your distro.
non-unicode <emphasis>text</emphasis>, see the Perl-compatible Regular
Expressions (PCRE2) documentation at <ulink
url="https://www.pcre.org/current/doc/html/pcre2pattern.html">https://www.pcre.org/current/doc/html/pcre2pattern.html</ulink>.
For unicode <emphasis>text</emphasis>, see the ICU docs, the sections
'Regular Expression Metacharacters' and 'Regular Expression Operators' at
<emphasis
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9 changes: 6 additions & 3 deletions docs/EN_US/ECLLanguageReference/ECLR_mods/BltInFunc-REGEXFINDSET.xml
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Expand Up @@ -55,9 +55,9 @@
expression<indexterm>
<primary>Perl regular expression</primary>
</indexterm>. We use third-party libraries to support this, so for
non-unicode <emphasis>text</emphasis>, see boost docs at <ulink
url="http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html">http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html</ulink>.
Note that the version of Boost library may vary depending on your distro.
non-unicode <emphasis>text</emphasis>, see the Perl-compatible Regular
Expressions (PCRE2) documentation at <ulink
url="https://www.pcre.org/current/doc/html/pcre2pattern.html">https://www.pcre.org/current/doc/html/pcre2pattern.html</ulink>.
For unicode <emphasis>text</emphasis>, see the ICU docs, the sections
'Regular Expression Metacharacters' and 'Regular Expression Operators' at
<emphasis
Expand All @@ -67,6 +67,9 @@
role="underline">http://userguide.icu-project.org/strings/unicodeset</emphasis>.
We use version 2.6 which should support all listed features.</para>

<para>REGEXFINDSET ignores capture groups. REGEXFINDSET repeatedly extracts
the text matching the entire <emphasis>regex</emphasis> pattern.</para>

<para>Example:</para>

<programlisting lang="ECL" role="runnable">sampleStr :=
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6 changes: 3 additions & 3 deletions docs/EN_US/ECLLanguageReference/ECLR_mods/BltInFunc-REGEXREPLACE.xml
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Expand Up @@ -65,9 +65,9 @@
expression<indexterm>
<primary>Perl regular expression</primary>
</indexterm>. We use third-party libraries to support this, so for
non-unicode <emphasis>text</emphasis>, see boost docs at <ulink
url="http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html">http://www.boost.org/doc/libs/1_58_0/libs/regex/doc/html/index.html</ulink>.
Note that the version of Boost library may vary depending on your distro.
non-unicode <emphasis>text</emphasis>, see the Perl-compatible Regular
Expressions (PCRE2) documentation at <ulink
url="https://www.pcre.org/current/doc/html/pcre2pattern.html">https://www.pcre.org/current/doc/html/pcre2pattern.html</ulink>.
For unicode <emphasis>text</emphasis>, see the ICU docs, the sections
'Regular Expression Metacharacters' and 'Regular Expression Operators' at
<emphasis
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