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<HTML><HEAD><TITLE>Recipe 6.12. Honoring Locale Settings in Regular Expressions (Perl Cookbook)</TITLE><METANAME="DC.title"CONTENT="Perl Cookbook"><METANAME="DC.creator"CONTENT="Tom Christiansen & Nathan Torkington"><METANAME="DC.publisher"CONTENT="O'Reilly & Associates, Inc."><METANAME="DC.date"CONTENT="1999-07-02T01:34:30Z"><METANAME="DC.type"CONTENT="Text.Monograph"><METANAME="DC.format"CONTENT="text/html"SCHEME="MIME"><METANAME="DC.source"CONTENT="1-56592-243-3"SCHEME="ISBN"><METANAME="DC.language"CONTENT="en-US"><METANAME="generator"CONTENT="Jade 1.1/O'Reilly DocBook 3.0 to HTML 4.0"><LINKREV="made"HREF="mailto:online-books@oreilly.com"TITLE="Online Books Comments"><LINKREL="up"HREF="ch06_01.htm"TITLE="6. Pattern Matching"><LINKREL="prev"HREF="ch06_12.htm"TITLE="6.11. Testing for a Valid Pattern"><LINKREL="next"HREF="ch06_14.htm"TITLE="6.13. Approximate Matching"></HEAD><BODYBGCOLOR="#FFFFFF"><img alt="Book Home" border="0" src="gifs/smbanner.gif" usemap="#banner-map" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Perl Cookbook"><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><p><TABLEWIDTH="684"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="228"><ACLASS="sect1"HREF="ch06_12.htm"TITLE="6.11. Testing for a Valid Pattern"><IMGSRC="../gifs/txtpreva.gif"ALT="Previous: 6.11. Testing for a Valid Pattern"BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="228"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1"><ACLASS="chapter"REL="up"HREF="ch06_01.htm"TITLE="6. Pattern Matching"></A></FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="228"><ACLASS="sect1"HREF="ch06_14.htm"TITLE="6.13. Approximate Matching"><IMGSRC="../gifs/txtnexta.gif"ALT="Next: 6.13. Approximate Matching"BORDER="0"></A></TD></TR></TABLE></DIV><DIVCLASS="sect1"><H2CLASS="sect1"><ACLASS="title"NAME="ch06-10766">6.12. Honoring Locale Settings in Regular Expressions</A></H2><DIVCLASS="sect2"><H3CLASS="sect2"><ACLASS="title"NAME="ch06-pgfId-1461">Problem<ACLASS="indexterm"NAME="ch06-idx-1000007638-0"></A><ACLASS="indexterm"NAME="ch06-idx-1000007638-1"></A><ACLASS="indexterm"NAME="ch06-idx-1000007638-2"></A><ACLASS="indexterm"NAME="ch06-idx-1000007638-3"></A><ACLASS="indexterm"NAME="ch06-idx-1000007638-4"></A></A></H3><PCLASS="para">You want to translate case when in a different locale, or you want to make <CODECLASS="literal">\w</CODE> match letters with diacritics, such as <EMCLASS="emphasis">Jos⌨️ 快捷键说明
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