📄 正则表达式参考文档.mht
字号:
=E4=D7=D6=B7=FB=B4=AE=D6=D0 "^" =BA=CD "$"=20
=
=D7=D6=B7=FB=A3=AC=D4=F2=B1=ED=B4=EF=CA=BD=BE=CD=D0=E8=D2=AA=D0=B4=B3=C9 =
"\^" =BA=CD "\$"=A1=A3</P>
<TABLE style=3D"BORDER-COLLAPSE: collapse" =
cellSpacing=3D0 cellPadding=3D3 =
bgColor=3D#f8f8f8=20
border=3D1>
<TBODY>
<TR bgColor=3D#f0f0f0>
<TD width=3D66>
<P>=B1=ED=B4=EF=CA=BD</P></TD>
<TD>
<P>=BF=C9=C6=A5=C5=E4</P></TD></TR>
<TR>
<TD>
<P>\^</P></TD>
<TD>
<P>=C6=A5=C5=E4 ^ =
=B7=FB=BA=C5=B1=BE=C9=ED</P></TD></TR>
<TR>
<TD>
<P>\$</P></TD>
<TD>
<P>=C6=A5=C5=E4 $ =
=B7=FB=BA=C5=B1=BE=C9=ED</P></TD></TR>
<TR>
<TD>
<P>\.</P></TD>
<TD>
=
<P>=C6=A5=C5=E4=D0=A1=CA=FD=B5=E3=A3=A8.=A3=A9=B1=BE=C9=ED</P></TD></TR><=
/TBODY></TABLE>
<P> =
=D5=E2=D0=A9=D7=AA=D2=E5=D7=D6=B7=FB=B5=C4=C6=A5=C5=E4=B7=BD=B7=A8=D3=EB =
"=C6=D5=CD=A8=D7=D6=B7=FB"=20
=
=CA=C7=C0=E0=CB=C6=B5=C4=A1=A3=D2=B2=CA=C7=C6=A5=C5=E4=D3=EB=D6=AE=CF=E0=CD=
=AC=B5=C4=D2=BB=B8=F6=D7=D6=B7=FB=A1=A3<BR><BR> <A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3D%5C$d&txt=3Dabc=
$de">=BE=D9=C0=FD1=A3=BA=B1=ED=B4=EF=CA=BD=20
=
"\$d"=A3=AC=D4=DA=C6=A5=C5=E4=D7=D6=B7=FB=B4=AE "abc$de"=20
=
=CA=B1</A>=A3=AC=C6=A5=C5=E4=BD=E1=B9=FB=CA=C7=A3=BA=B3=C9=B9=A6=A3=BB=C6=
=A5=C5=E4=B5=BD=B5=C4=C4=DA=C8=DD=CA=C7=A3=BA"$d"=A3=BB=C6=A5=C5=E4=B5=BD=
=B5=C4=CE=BB=D6=C3=CA=C7=A3=BA=BF=AA=CA=BC=D3=DA3=A3=AC=BD=E1=CA=F8=D3=DA=
5=A1=A3</P>
<HR color=3D#fea089 SIZE=3D1>
<H5><A name=3Dmulti></A>1.3 =
=C4=DC=B9=BB=D3=EB '=B6=E0=D6=D6=D7=D6=B7=FB' =
=C6=A5=C5=E4=B5=C4=B1=ED=B4=EF=CA=BD</H5>
<P> =
=D5=FD=D4=F2=B1=ED=B4=EF=CA=BD=D6=D0=B5=C4=D2=BB=D0=A9=B1=ED=CA=BE=B7=BD=B7=
=A8=A3=AC=BF=C9=D2=D4=C6=A5=C5=E4 '=B6=E0=D6=D6=D7=D6=B7=FB'=20
=
=C6=E4=D6=D0=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=B7=FB=A1=A3=B1=C8=C8=E7=A3=
=AC=B1=ED=B4=EF=CA=BD "\d"=20
=
=BF=C9=D2=D4=C6=A5=C5=E4=C8=CE=D2=E2=D2=BB=B8=F6=CA=FD=D7=D6=A1=A3=CB=E4=C8=
=BB=BF=C9=D2=D4=C6=A5=C5=E4=C6=E4=D6=D0=C8=CE=D2=E2=D7=D6=B7=FB=A3=AC=B5=AB=
=CA=C7=D6=BB=C4=DC=CA=C7=D2=BB=B8=F6=A3=AC=B2=BB=CA=C7=B6=E0=B8=F6=A1=A3=D5=
=E2=BE=CD=BA=C3=B1=C8=CD=E6=C6=CB=BF=CB=C5=C6=CA=B1=BA=F2=A3=AC=B4=F3=D0=A1=
=CD=F5=BF=C9=D2=D4=B4=FA=CC=E6=C8=CE=D2=E2=D2=BB=D5=C5=C5=C6=A3=AC=B5=AB=CA=
=C7=D6=BB=C4=DC=B4=FA=CC=E6=D2=BB=D5=C5=C5=C6=A1=A3</P>
<TABLE style=3D"BORDER-COLLAPSE: collapse" =
cellSpacing=3D0 cellPadding=3D3 =
bgColor=3D#f8f8f8=20
border=3D1>
<TBODY>
<TR bgColor=3D#f0f0f0>
<TD width=3D66>
<P>=B1=ED=B4=EF=CA=BD</P></TD>
<TD>
<P>=BF=C9=C6=A5=C5=E4</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">\d</SPAN></P></TD>
<TD>
=
<P>=C8=CE=D2=E2=D2=BB=B8=F6=CA=FD=D7=D6=A3=AC0~9 =
=D6=D0=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">\w</SPAN></P></TD>
<TD>
=
<P>=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=C4=B8=BB=F2=CA=FD=D7=D6=BB=F2=CF=C2=BB=AE=
=CF=DF=A3=AC=D2=B2=BE=CD=CA=C7 A~Z,a~z,0~9,_=20
=
=D6=D0=C8=CE=D2=E2=D2=BB=B8=F6</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">\s</SPAN></P></TD>
<TD>
=
<P>=B0=FC=C0=A8=BF=D5=B8=F1=A1=A2=D6=C6=B1=ED=B7=FB=A1=A2=BB=BB=D2=B3=B7=FB=
=B5=C8=BF=D5=B0=D7=D7=D6=B7=FB=B5=C4=C6=E4=D6=D0=C8=CE=D2=E2=D2=BB=B8=F6<=
/P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">.</SPAN></P></TD>
<TD>
=
<P>=D0=A1=CA=FD=B5=E3=BF=C9=D2=D4=C6=A5=C5=E4=B3=FD=C1=CB=BB=BB=D0=D0=B7=FB=
=A3=A8\n=A3=A9=D2=D4=CD=E2=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=B7=FB</P><=
/TD></TR></TBODY></TABLE>
<P> <A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3D%5Cd%5Cd&txt=3D=
abc123">=BE=D9=C0=FD1=A3=BA=B1=ED=B4=EF=CA=BD=20
"<SPAN id=3Dpattern =
name=3D"pattern">\d\d</SPAN>"=A3=AC=D4=DA=C6=A5=C5=E4=20
"abc123"=20
=
=CA=B1</A>=A3=AC=C6=A5=C5=E4=B5=C4=BD=E1=B9=FB=CA=C7=A3=BA=B3=C9=B9=A6=A3=
=BB=C6=A5=C5=E4=B5=BD=B5=C4=C4=DA=C8=DD=CA=C7=A3=BA"12"=A3=BB=C6=A5=C5=E4=
=B5=BD=B5=C4=CE=BB=D6=C3=CA=C7=A3=BA=BF=AA=CA=BC=D3=DA3=A3=AC=BD=E1=CA=F8=
=D3=DA5=A1=A3<BR><BR> =20
<A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3Da.%5Cd&txt=3Daa=
a100">=BE=D9=C0=FD2=A3=BA=B1=ED=B4=EF=CA=BD=20
"<SPAN id=3Dpattern =
name=3D"pattern">a.\d</SPAN>"=A3=AC=D4=DA=C6=A5=C5=E4=20
"aaa100"=20
=
=CA=B1</A>=A3=AC=C6=A5=C5=E4=B5=C4=BD=E1=B9=FB=CA=C7=A3=BA=B3=C9=B9=A6=A3=
=BB=C6=A5=C5=E4=B5=BD=B5=C4=C4=DA=C8=DD=CA=C7=A3=BA"aa1"=A3=BB=C6=A5=C5=E4=
=B5=BD=B5=C4=CE=BB=D6=C3=CA=C7=A3=BA=BF=AA=CA=BC=D3=DA1=A3=AC=BD=E1=CA=F8=
=D3=DA4=A1=A3</P>
<HR color=3D#fea089 SIZE=3D1>
<H5><A name=3Dcustom></A>1.4 =
=D7=D4=B6=A8=D2=E5=C4=DC=B9=BB=C6=A5=C5=E4 '=B6=E0=D6=D6=D7=D6=B7=FB'=20
=B5=C4=B1=ED=B4=EF=CA=BD</H5>
<P> =
=CA=B9=D3=C3=B7=BD=C0=A8=BA=C5 [ ]=20
=
=B0=FC=BA=AC=D2=BB=CF=B5=C1=D0=D7=D6=B7=FB=A3=AC=C4=DC=B9=BB=C6=A5=C5=E4=C6=
=E4=D6=D0=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=B7=FB=A1=A3=D3=C3 [^ ]=20
=
=B0=FC=BA=AC=D2=BB=CF=B5=C1=D0=D7=D6=B7=FB=A3=AC=D4=F2=C4=DC=B9=BB=C6=A5=C5=
=E4=C6=E4=D6=D0=D7=D6=B7=FB=D6=AE=CD=E2=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=
=B7=FB=A1=A3=CD=AC=D1=F9=B5=C4=B5=C0=C0=ED=A3=AC=CB=E4=C8=BB=BF=C9=D2=D4=C6=
=A5=C5=E4=C6=E4=D6=D0=C8=CE=D2=E2=D2=BB=B8=F6=A3=AC=B5=AB=CA=C7=D6=BB=C4=DC=
=CA=C7=D2=BB=B8=F6=A3=AC=B2=BB=CA=C7=B6=E0=B8=F6=A1=A3</P>
<TABLE style=3D"BORDER-COLLAPSE: collapse" =
cellSpacing=3D0 cellPadding=3D3 =
bgColor=3D#f8f8f8=20
border=3D1>
<TBODY>
<TR bgColor=3D#f0f0f0>
<TD width=3D80>
<P>=B1=ED=B4=EF=CA=BD</P></TD>
<TD>
<P>=BF=C9=C6=A5=C5=E4</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">[ab5@]</SPAN></P></TD>
<TD>
<P>=C6=A5=C5=E4 "a" =BB=F2 "b" =BB=F2 =
"5" =BB=F2 "@"</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">[^abc]</SPAN></P></TD>
<TD>
<P>=C6=A5=C5=E4 "a","b","c" =
=D6=AE=CD=E2=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=B7=FB</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">[f-k]</SPAN></P></TD>
<TD>
<P>=C6=A5=C5=E4 "f"~"k" =
=D6=AE=BC=E4=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=C4=B8</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
=
name=3D"pattern">[^A-F0-3]</SPAN></P></TD>
<TD>
<P>=C6=A5=C5=E4 "A"~"F","0"~"3"=20
=
=D6=AE=CD=E2=B5=C4=C8=CE=D2=E2=D2=BB=B8=F6=D7=D6=B7=FB</P></TD></TR></TBO=
DY></TABLE>
<P> <A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3D[bcd][bcd]&txt=3D=
abc123">=BE=D9=C0=FD1=A3=BA=B1=ED=B4=EF=CA=BD=20
"<SPAN id=3Dpattern=20
name=3D"pattern">[bcd][bcd]</SPAN>" =
=C6=A5=C5=E4 "abc123"=20
=
=CA=B1</A>=A3=AC=C6=A5=C5=E4=B5=C4=BD=E1=B9=FB=CA=C7=A3=BA=B3=C9=B9=A6=A3=
=BB=C6=A5=C5=E4=B5=BD=B5=C4=C4=DA=C8=DD=CA=C7=A3=BA"bc"=A3=BB=C6=A5=C5=E4=
=B5=BD=B5=C4=CE=BB=D6=C3=CA=C7=A3=BA=BF=AA=CA=BC=D3=DA1=A3=AC=BD=E1=CA=F8=
=D3=DA3=A1=A3<BR><BR> =20
<A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3D%5B%5Eabc%5D&tx=
t=3Dabc123">=BE=D9=C0=FD2=A3=BA=B1=ED=B4=EF=CA=BD=20
"<SPAN id=3Dpattern =
name=3D"pattern">[^abc]</SPAN>" =C6=A5=C5=E4=20
"abc123"=20
=
=CA=B1</A>=A3=AC=C6=A5=C5=E4=B5=C4=BD=E1=B9=FB=CA=C7=A3=BA=B3=C9=B9=A6=A3=
=BB=C6=A5=C5=E4=B5=BD=B5=C4=C4=DA=C8=DD=CA=C7=A3=BA"1"=A3=BB=C6=A5=C5=E4=B5=
=BD=B5=C4=CE=BB=D6=C3=CA=C7=A3=BA=BF=AA=CA=BC=D3=DA3=A3=AC=BD=E1=CA=F8=D3=
=DA4=A1=A3</P>
<HR color=3D#fea089 SIZE=3D1>
<H5><A name=3Dtimes></A>1.5 =
=D0=DE=CA=CE=C6=A5=C5=E4=B4=CE=CA=FD=B5=C4=CC=D8=CA=E2=B7=FB=BA=C5</H5>
<P> =20
=
=C7=B0=C3=E6=D5=C2=BD=DA=D6=D0=BD=B2=B5=BD=B5=C4=B1=ED=B4=EF=CA=BD=A3=AC=CE=
=DE=C2=DB=CA=C7=D6=BB=C4=DC=C6=A5=C5=E4=D2=BB=D6=D6=D7=D6=B7=FB=B5=C4=B1=ED=
=B4=EF=CA=BD=A3=AC=BB=B9=CA=C7=BF=C9=D2=D4=C6=A5=C5=E4=B6=E0=D6=D6=D7=D6=B7=
=FB=C6=E4=D6=D0=C8=CE=D2=E2=D2=BB=B8=F6=B5=C4=B1=ED=B4=EF=CA=BD=A3=AC=B6=BC=
=D6=BB=C4=DC=C6=A5=C5=E4=D2=BB=B4=CE=A1=A3=C8=E7=B9=FB=CA=B9=D3=C3=B1=ED=B4=
=EF=CA=BD=D4=D9=BC=D3=C9=CF=D0=DE=CA=CE=C6=A5=C5=E4=B4=CE=CA=FD=B5=C4=CC=D8=
=CA=E2=B7=FB=BA=C5=A3=AC=C4=C7=C3=B4=B2=BB=D3=C3=D6=D8=B8=B4=CA=E9=D0=B4=B1=
=ED=B4=EF=CA=BD=BE=CD=BF=C9=D2=D4=D6=D8=B8=B4=C6=A5=C5=E4=A1=A3<BR><BR>&n=
bsp; =20
=
=CA=B9=D3=C3=B7=BD=B7=A8=CA=C7=A3=BA"=B4=CE=CA=FD=D0=DE=CA=CE"=B7=C5=D4=DA=
"=B1=BB=D0=DE=CA=CE=B5=C4=B1=ED=B4=EF=CA=BD"=BA=F3=B1=DF=A1=A3=B1=C8=C8=E7=
=A3=BA"[bcd][bcd]" =BF=C9=D2=D4=D0=B4=B3=C9=20
"[bcd]{2}"=A1=A3</P>
<TABLE style=3D"BORDER-COLLAPSE: collapse" =
cellSpacing=3D0 cellPadding=3D3 =
bgColor=3D#f8f8f8=20
border=3D1>
<TBODY>
<TR bgColor=3D#f0f0f0>
<TD width=3D67>
<P>=B1=ED=B4=EF=CA=BD</P></TD>
<TD>
<P>=D7=F7=D3=C3</P></TD></TR>
<TR>
<TD>
<P><SPAN id=3Dpattern=20
name=3D"pattern">{n}</SPAN></P></TD>
<TD>
=
<P>=B1=ED=B4=EF=CA=BD=D6=D8=B8=B4n=B4=CE=A3=AC=B1=C8=C8=E7=A3=BA<A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3D\w{2}&txt=3Dab+=
c6">"\w{2}"=20
=CF=E0=B5=B1=D3=DA "\w\w"</A>=A3=BB<A=20
=
href=3D"http://www.regexlab.com/zh/workshop.asp?pat=3Da{5}&txt=3Dbbaa=
aaaddee">"a{5}"=20
=CF=E0=B5=B1=D3=DA =
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