<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Predefined_regular_expressions</TITLE> <META NAME="GENERATOR" CONTENT="DOC++ 3.4.6"> </HEAD> <body bgcolor="#ffffff" link="#0000ff" vlink="#dd0000" text="#000088" alink="9000ff"> <A HREF = "http://www.cstr.ed.ac.uk/"> <IMG align=left BORDER=0 SRC = "cstr.gif"></A> <A HREF="http://www.cstr.ed.ac.uk/projects/speech_tools.html"> <IMG BORDER=0 ALIGN=right SRC="est.jpg" width=150 height=93></A> <br> <br clear=left> <p align=right> <TABLE BORDER=0><TR> <TD VALIGN=TOP><H2> <A HREF="#DOC.DOCU">Predefined_regular_expressions</A></H2></TD></H2></TD></TR></TABLE> <TABLE> <TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXwhite"></A> <A HREF=RXwhite.html><B>RXwhite</B></A></TD><TD><BR> <I>White space</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXalpha"></A> <A HREF=RXalpha.html><B>RXalpha</B></A></TD><TD><BR> <I>Sequence of alphabetic characters</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXlowercase"></A> <A HREF=RXlowercase.html><B>RXlowercase</B></A></TD><TD><BR> <I>Sequence of lower case alphabetic characters</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXuppercase"></A> <A HREF=RXuppercase.html><B>RXuppercase</B></A></TD><TD><BR> <I>Sequence of upper case alphabetic characters</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXalphanum"></A> <A HREF=RXalphanum.html><B>RXalphanum</B></A></TD><TD><BR> <I>Sequence of letters and/or digits</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXidentifier"></A> <A HREF=RXidentifier.html><B>RXidentifier</B></A></TD><TD><BR> <I>Initial letter or underscore followed by letters underscores or digits</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXint"></A> <A HREF=RXint.html><B>RXint</B></A></TD><TD><BR> <I>Integer</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="RXdouble"></A> <A HREF=RXdouble.html><B>RXdouble</B></A></TD><TD><BR> <I>Floating point number</I> </TD></TR> </TABLE> <A NAME="DOC.DOCU"></A> <BLOCKQUOTE>Some regular expressions matching common things are predefined</BLOCKQUOTE> <DL><DT><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">Hierarchy of classes</A></I></P><HR> <A HREF = "http://www.ed.ac.uk/"> <IMG align=right BORDER=0 SRC = "edcrest.gif"></A> <P Align=left><I>This page is part of the <A HREF="http://www.cstr.ed.ac.uk/projects/speech_tools.html"> Edinburgh Speech Tools Library</A> documentation <br> Copyright <A HREF="http://www.ed.ac.uk"> University of Edinburgh</A> 1997 <br> Contact: <A HREF="mailto:speech_toolss@cstr.ed.ac.uk"> speech_tools@cstr.ed.ac.uk </a> </P> <br clear=right>