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ghc-6.10.4-1mdv2010.0.i586.rpm

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>Text.Regex.Posix.String</TITLE
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>regex-posix-0.72.0.3: Replaces/Enhances Text.Regex</TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
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><FONT SIZE="6"
>Text.Regex.Posix.String</FONT
></TD
><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>non-portable (regex-base needs MPTC+FD)</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>experimental</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>libraries@haskell.org, textregexlazy@personal.mightyreason.com</TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
><B
>Contents</B
></TD
></TR
><TR
><TD
><DL
><DT
><A HREF="#1"
>Types
</A
></DT
><DT
><A HREF="#2"
>Miscellaneous
</A
></DT
><DT
><A HREF="#3"
>Medium level API functions
</A
></DT
><DT
><A HREF="#4"
>Compilation options
</A
></DT
><DT
><A HREF="#5"
>Execution options
</A
></DT
></DL
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
><P
>This provides <TT
><A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TT
> instances for <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
></TT
> and <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexLike"
>RegexLike</A
></TT
> based
 on <A HREF="Text-Regex-Posix-Wrap.html"
>Text.Regex.Posix.Wrap</A
>, and a (<TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexContext"
>RegexContext</A
></TT
> <TT
><A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
></TT
> <TT
><A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TT
> <TT
><A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TT
>)
 instance.
</P
><P
>To use these instance, you would normally import
 <A HREF="Text-Regex-Posix.html"
>Text.Regex.Posix</A
>.  You only need to import this module to use
 the medium level API of the compile, regexec, and execute
 functions.  All of these report error by returning Left values
 instead of undefined or error or fail.
</P
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3ARegex"
>Regex</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchOffset"
>MatchOffset</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchLength"
>MatchLength</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AReturnCode"
>ReturnCode</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>type</SPAN
> <A HREF="#t%3AWrapError"
>WrapError</A
> = (<A HREF="Text-Regex-Posix-String.html#t%3AReturnCode"
>ReturnCode</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AunusedOffset"
>unusedOffset</A
> :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Acompile"
>compile</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> -&gt; <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aregexec"
>regexec</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>])))</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aexecute"
>execute</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="../base/GHC-Arr.html#t%3AArray"
>Array</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AInt"
>Int</A
> (<A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchOffset"
>MatchOffset</A
>, <A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchLength"
>MatchLength</A
>))))</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A HREF="#t%3ACompOption"
>CompOption</A
>  = <A HREF="#v%3ACompOption"
>CompOption</A
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcompBlank"
>compBlank</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcompExtended"
>compExtended</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcompIgnoreCase"
>compIgnoreCase</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcompNoSub"
>compNoSub</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcompNewline"
>compNewline</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A HREF="#t%3AExecOption"
>ExecOption</A
>  = <A HREF="#v%3AExecOption"
>ExecOption</A
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AexecBlank"
>execBlank</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AexecNotBOL"
>execNotBOL</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AexecNotEOL"
>execNotEOL</A
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section2"
><A NAME="1"
><A NAME="1"
>Types
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:Regex"
><A NAME="t%3ARegex"
></A
></A
><B
>Regex</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>A compiled regular expression.
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Regex')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Regex" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexLike"
>RegexLike</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexLike"
>RegexLike</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexOptions"
>RegexOptions</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexContext"
>RegexContext</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexContext"
>RegexContext</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchOffset"
>MatchOffset</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchLength"
>MatchLength</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:ReturnCode"
><A NAME="t%3AReturnCode"
></A
></A
><B
>ReturnCode</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
><P
>ReturnCode is an enumerated <TT
><A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TT
>, corresponding to the error codes
 from <TT
>man 3 regex</TT
>:
</P
><UL
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretBadbr"
>retBadbr</A
></TT
> (<TT
>REG_BADBR</TT
>) invalid repetition count(s) in <TT
>{ }</TT
>
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretBadpat"
>retBadpat</A
></TT
> (<TT
>REG_BADPAT</TT
>) invalid regular expression
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretBadrpt"
>retBadrpt</A
></TT
> (<TT
>REG_BADRPT</TT
>) <TT
>?</TT
>, <TT
>*</TT
>, or <TT
>+</TT
> operand invalid
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEcollate"
>retEcollate</A
></TT
> (<TT
>REG_ECOLLATE</TT
>) invalid collating element
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEctype"
>retEctype</A
></TT
> (<TT
>REG_ECTYPE</TT
>) invalid character class
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEescape"
>retEescape</A
></TT
> (<TT
>REG_EESCAPE</TT
>) <TT
>\</TT
> applied to unescapable character
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEsubreg"
>retEsubreg</A
></TT
> (<TT
>REG_ESUBREG</TT
>) invalid backreference number
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEbrack"
>retEbrack</A
></TT
> (<TT
>REG_EBRACK</TT
>) brackets <TT
>[ ]</TT
> not balanced
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEparen"
>retEparen</A
></TT
> (<TT
>REG_EPAREN</TT
>) parentheses <TT
>( )</TT
> not balanced
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEbrace"
>retEbrace</A
></TT
> (<TT
>REG_EBRACE</TT
>) braces <TT
>{ }</TT
> not balanced
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretErange"
>retErange</A
></TT
> (<TT
>REG_ERANGE</TT
>) invalid character range in <TT
>[ ]</TT
>
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-Wrap.html#v%3AretEspace"
>retEspace</A
></TT
> (<TT
>REG_ESPACE</TT
>) ran out of memory
</LI
><LI
> <TT
>retNoMatch</TT
> (<TT
>REG_NOMATCH</TT
>) The regexec() function failed to match
</LI
></UL
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:ReturnCode')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:ReturnCode" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Text-Regex-Posix-String.html#t%3AReturnCode"
>ReturnCode</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Text-Regex-Posix-String.html#t%3AReturnCode"
>ReturnCode</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>type</SPAN
> <A NAME="t:WrapError"
><A NAME="t%3AWrapError"
></A
></A
><B
>WrapError</B
> = (<A HREF="Text-Regex-Posix-String.html#t%3AReturnCode"
>ReturnCode</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>)</TD
></TR
><TR
><TD CLASS="doc"
>The return code will be retOk when it is the Haskell wrapper and
 not the underlying library generating the error message.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section2"
><A NAME="2"
><A NAME="2"
>Miscellaneous
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:unusedOffset"
><A NAME="v%3AunusedOffset"
></A
></A
><B
>unusedOffset</B
> :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section2"
><A NAME="3"
><A NAME="3"
>Medium level API functions
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compile"
><A NAME="v%3Acompile"
></A
></A
><B
>compile</B
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
><TD CLASS="rdoc"
>Flags (summed together)
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
><TD CLASS="rdoc"
>Flags (summed together)
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
><TD CLASS="rdoc"
>The regular expression to compile (ASCII only, no null bytes)
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
>)</TD
><TD CLASS="rdoc"
>Returns: the compiled regular expression
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:regexec"
><A NAME="v%3Aregexec"
></A
></A
><B
>regexec</B
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
></TD
><TD CLASS="rdoc"
>Compiled regular expression
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
><TD CLASS="rdoc"
>String to match against
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>, [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>])))</TD
><TD CLASS="rdoc"
><P
>Returns: <TT
><A HREF="../base/Data-Maybe.html#v%3ANothing"
>Nothing</A
></TT
> if the regex did not match the
 string, or:
</P
><PRE
>
   <TT
><A HREF="../base/Data-Maybe.html#v%3AJust"
>Just</A
></TT
> (everything before match,
         matched portion,
         everything after match,
         subexpression matches)
</PRE
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Matches a regular expression against a string
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:execute"
><A NAME="v%3Aexecute"
></A
></A
><B
>execute</B
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
></TD
><TD CLASS="rdoc"
>Compiled regular expression
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
><TD CLASS="rdoc"
>String to match against
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-Regex-Posix-String.html#t%3AWrapError"
>WrapError</A
> (<A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="../base/GHC-Arr.html#t%3AArray"
>Array</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AInt"
>Int</A
> (<A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchOffset"
>MatchOffset</A
>, <A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3AMatchLength"
>MatchLength</A
>))))</TD
><TD CLASS="rdoc"
><P
>Returns: <TT
><A HREF="../base/Data-Maybe.html#v%3ANothing"
>Nothing</A
></TT
> if the regex did not match the
 string, or:
</P
><PRE
>
   <TT
><A HREF="../base/Data-Maybe.html#v%3AJust"
>Just</A
></TT
> (array of offset length pairs)
</PRE
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Matches a regular expression against a string
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section2"
><A NAME="4"
><A NAME="4"
>Compilation options
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A NAME="t:CompOption"
><A NAME="t%3ACompOption"
></A
></A
><B
>CompOption</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
><P
>A bitmapped <TT
><A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TT
> containing options for compilation of regular
 expressions.  Option values (and their man 3 regcomp names) are
</P
><UL
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AcompBlank"
>compBlank</A
></TT
> which is a completely zero value for all the flags.
    This is also the <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#v%3AblankCompOpt"
>blankCompOpt</A
></TT
> value.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AcompExtended"
>compExtended</A
></TT
> (REG_EXTENDED) which can be set to use extended instead
    of basic regular expressions.
    This is set in the <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#v%3AdefaultCompOpt"
>defaultCompOpt</A
></TT
> value.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AcompNewline"
>compNewline</A
></TT
> (REG_NEWLINE) turns on newline sensitivity: The dot (.)
    and inverted set <TT
>[^ ]</TT
> never match newline, and ^ and $ anchors do
    match after and before newlines.
    This is set in the <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#v%3AdefaultCompOpt"
>defaultCompOpt</A
></TT
> value.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AcompIgnoreCase"
>compIgnoreCase</A
></TT
> (REG_ICASE) which can be set to match ignoring upper
    and lower distinctions.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AcompNoSub"
>compNoSub</A
></TT
> (REG_NOSUB) which turns off all information from matching
    except whether a match exists.
</LI
></UL
></TD
></TR
><TR
><TD CLASS="section4"
>Constructors</TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:CompOption"
><A NAME="v%3ACompOption"
></A
></A
><B
>CompOption</B
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:CompOption')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:CompOption" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Prelude.html#t%3ANum"
>Num</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexOptions"
>RegexOptions</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compBlank"
><A NAME="v%3AcompBlank"
></A
></A
><B
>compBlank</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="doc"
>A completely zero value for all the flags.
 This is also the <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#v%3AblankCompOpt"
>blankCompOpt</A
></TT
> value.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compExtended"
><A NAME="v%3AcompExtended"
></A
></A
><B
>compExtended</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compIgnoreCase"
><A NAME="v%3AcompIgnoreCase"
></A
></A
><B
>compIgnoreCase</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compNoSub"
><A NAME="v%3AcompNoSub"
></A
></A
><B
>compNoSub</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:compNewline"
><A NAME="v%3AcompNewline"
></A
></A
><B
>compNewline</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section2"
><A NAME="5"
><A NAME="5"
>Execution options
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A NAME="t:ExecOption"
><A NAME="t%3AExecOption"
></A
></A
><B
>ExecOption</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
><P
>A bitmapped <TT
><A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TT
> containing options for execution of compiled
 regular expressions.  Option values (and their man 3 regexec names) are
</P
><UL
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AexecBlank"
>execBlank</A
></TT
> which is a complete zero value for all the flags.  This is
    the blankExecOpt value.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AexecNotBOL"
>execNotBOL</A
></TT
> (REG_NOTBOL) can be set to prevent ^ from matching at the
    start of the input.
</LI
><LI
> <TT
><A HREF="Text-Regex-Posix-String.html#v%3AexecNotEOL"
>execNotEOL</A
></TT
> (REG_NOTEOL) can be set to prevent $ from matching at the
    end of the input (before the terminating NUL).
</LI
></UL
></TD
></TR
><TR
><TD CLASS="section4"
>Constructors</TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:ExecOption"
><A NAME="v%3AExecOption"
></A
></A
><B
>ExecOption</B
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:ExecOption')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:ExecOption" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Prelude.html#t%3ANum"
>Num</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Data-Bits.html#t%3ABits"
>Bits</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexOptions"
>RegexOptions</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#t%3ARegexMaker"
>RegexMaker</A
> <A HREF="Text-Regex-Posix-String.html#t%3ARegex"
>Regex</A
> <A HREF="Text-Regex-Posix-String.html#t%3ACompOption"
>CompOption</A
> <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
> <A HREF="../bytestring/Data-ByteString-Internal.html#t%3AByteString"
>ByteString</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:execBlank"
><A NAME="v%3AexecBlank"
></A
></A
><B
>execBlank</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="doc"
>A completely zero value for all the flags.
 This is also the <TT
><A HREF="../regex-base/Text-Regex-Base-RegexLike.html#v%3AblankExecOpt"
>blankExecOpt</A
></TT
> value.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:execNotBOL"
><A NAME="v%3AexecNotBOL"
></A
></A
><B
>execNotBOL</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:execNotEOL"
><A NAME="v%3AexecNotEOL"
></A
></A
><B
>execNotEOL</B
> :: <A HREF="Text-Regex-Posix-String.html#t%3AExecOption"
>ExecOption</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.4.2</TD
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