Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
g

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

const regex = /<a href\=\"([\w\.\-\/]+)\"><v:shape\stitle=\"([\w\s]+)\:*\s*([\w\.\-]+)\"\sfillcolor\=\"\#([\w\d]+)\"/g; // Alternative syntax using RegExp constructor // const regex = new RegExp('<a href\\=\\"([\\w\\.\\-\\\/]+)\\"><v:shape\\stitle=\\"([\\w\\s]+)\\:*\\s*([\\w\\.\\-]+)\\"\\sfillcolor\\=\\"\\#([\\w\\d]+)\\"', 'g') const str = `<v:group coordsize="1000px,1000px" coordorig="0px,0px" style="position:relative;top:20px;left:0px;width:700;height:400"><a href="../Sybase.Central.cobis/sp_dbosp_ente.htm"><v:shape title="stored procedure: dbo.sp_ente" fillcolor="#FF0000" strokecolor="#FF0000" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:2;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="stored procedure: dbo.sp_ente" style="white-space:nowrap;position:relative;top:17;left:-16.099999999999998;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">sp_ente</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,2 xe" /><a href="../Sybase.Central.cobis/sp_dbosp_resultados_bv.htm"><v:shape title="stored procedure: dbo.sp_resultados_bv" fillcolor="#FF0000" strokecolor="#FF0000" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:-22;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="stored procedure: dbo.sp_resultados_bv" style="white-space:nowrap;position:relative;top:17;left:-36.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">sp_resultados_bv</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,-22 xe" /><a href="../Sybase.Central.cobis/table_dboba_fecha_proceso.htm"><v:shape title="table: dbo.ba_fecha_proceso" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:2;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.ba_fecha_proceso" style="white-space:nowrap;position:relative;top:17;left:-36.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">ba_fecha_proceso</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,2 xe" /><a href="../Sybase.Central.cobis/table_dbocl_catalogo.htm"><v:shape title="table: dbo.cl_catalogo" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:52;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.cl_catalogo" style="white-space:nowrap;position:relative;top:17;left:-25.299999999999997;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">cl_catalogo</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,52 xe" /><a href="../Sybase.Central.cobis/table_dbocl_moneda.htm"><v:shape title="table: dbo.cl_moneda" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:28;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.cl_moneda" style="white-space:nowrap;position:relative;top:17;left:-20.7;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">cl_moneda</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,28 xe" /><a href="../Sybase.Central.cobis/table_dbocl_tabla.htm"><v:shape title="table: dbo.cl_tabla" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:52;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.cl_tabla" style="white-space:nowrap;position:relative;top:17;left:-18.4;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">cl_tabla</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,52 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_adhesiones_e_resumen.htm"><v:shape title="table: dbo.tc_adhesiones_e_resumen" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:102;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_adhesiones_e_resumen" style="white-space:nowrap;position:relative;top:17;left:-52.9;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_adhesiones_e_resumen</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,102 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_convert_cab.htm"><v:shape title="table: dbo.tc_convert_cab" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:78;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_convert_cab" style="white-space:nowrap;position:relative;top:17;left:-32.199999999999996;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_convert_cab</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,78 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_convert_det.htm"><v:shape title="table: dbo.tc_convert_det" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:102;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_convert_det" style="white-space:nowrap;position:relative;top:17;left:-32.199999999999996;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_convert_det</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,102 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_cuentas_acmc.htm"><v:shape title="table: dbo.tc_cuentas_acmc" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:152;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_cuentas_acmc" style="white-space:nowrap;position:relative;top:17;left:-34.5;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_cuentas_acmc</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,152 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_cuentas_amex.htm"><v:shape title="table: dbo.tc_cuentas_amex" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:128;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_cuentas_amex" style="white-space:nowrap;position:relative;top:17;left:-34.5;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_cuentas_amex</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,128 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_cuentas_visa.htm"><v:shape title="table: dbo.tc_cuentas_visa" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:152;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_cuentas_visa" style="white-space:nowrap;position:relative;top:17;left:-34.5;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_cuentas_visa</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,152 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_marca_uso.htm"><v:shape title="table: dbo.tc_marca_uso" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:202;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_marca_uso" style="white-space:nowrap;position:relative;top:17;left:-27.599999999999998;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_marca_uso</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,202 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_rech_bajas_adh_e_resumen.htm"><v:shape title="table: dbo.tc_rech_bajas_adh_e_resumen" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:178;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_rech_bajas_adh_e_resumen" style="white-space:nowrap;position:relative;top:17;left:-62.099999999999994;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_rech_bajas_adh_e_resumen</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,178 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_tarjetas.htm"><v:shape title="table: dbo.tc_tarjetas" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:202;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_tarjetas" style="white-space:nowrap;position:relative;top:17;left:-25.299999999999997;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_tarjetas</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,202 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_tarjetas_acmc.htm"><v:shape title="table: dbo.tc_tarjetas_acmc" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:252;left:76;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_tarjetas_acmc" style="white-space:nowrap;position:relative;top:17;left:-36.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_tarjetas_acmc</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 76,252 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_tarjetas_amex.htm"><v:shape title="table: dbo.tc_tarjetas_amex" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:228;left:310;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_tarjetas_amex" style="white-space:nowrap;position:relative;top:17;left:-36.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_tarjetas_amex</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 310,228 xe" /><a href="../Sybase.Central.cob_atc/table_dbotc_tarjetas_visa.htm"><v:shape title="table: dbo.tc_tarjetas_visa" fillcolor="#0000FF" strokecolor="#0000FF" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:252;left:543;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="table: dbo.tc_tarjetas_visa" style="white-space:nowrap;position:relative;top:17;left:-36.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">tc_tarjetas_visa</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 543,252 xe" /><a href="sp_dbosp_abmc_adhesiones_e_resumen.htm"><v:shape title="stored procedure: dbo.sp_abmc_adhesiones_e_resumen" fillcolor="#FF0000" strokecolor="#FF0000" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:290;left:310;width:10;height:10;" path="m 1000,1000 l 1000,-1000, -1000,-1000, -1000,1000, 1000,1000 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="stored procedure: dbo.sp_abmc_adhesiones_e_resumen" style="white-space:nowrap;position:relative;top:22;left:-64.39999999999999;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">sp_abmc_adhesiones_e_resumen</span></v:shape></a><a href="../Sybase.Central.cob_atc/sp_dbosp_ac_adhesiones_e_resumen.htm"><v:shape title="stored procedure: dbo.sp_ac_adhesiones_e_resumen" fillcolor="#FF0000" strokecolor="#FF0000" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:340;left:135;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="stored procedure: dbo.sp_ac_adhesiones_e_resumen" style="white-space:nowrap;position:relative;top:17;left:-59.8;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">sp_ac_adhesiones_e_resumen</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 135,340 xe" /><a href="../Sybase.Central.cob_remesas/sp_dbosp_eresumen_central.htm"><v:shape title="stored procedure: asdwqeasfeqefef.sp_eresumen_central" fillcolor="#FF0000" strokecolor="#FF0000" style="position:absolute;cursor:hand;z-index:10;behavior:url(#default#VML);top:340;left:485;width:10;height:10;" path="m 750,750 l 750,-750, -750,-750, -750,750, 750,750 xe"><v:fill method="linear sigma" angle="-135" type="gradient" style="behavior:url(#default#VML);" /><span title="stored procedure: dbo.sp_eresumen_central" style="white-space:nowrap;position:relative;top:17;left:-43.699999999999996;cursor:hand;font-family:verdana;font-size:10;z-index:9;background-color:white;">sp_eresumen_central</span></v:shape></a><v:shape strokeweight="1px" style="position:absolute;behavior:url(#default#VML);z-index:-1000;height:1000;width:1000;top:0;left:0;" strokecolor="gray" path="m 310,290 l 485,340 xe" /></v:group>`; const subst = `$1|$2|$3|$4`; // The substituted value will be contained in the result variable const result = str.replace(regex, subst); console.log('Substitution result: ', result);

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions