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

/
/
gm

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "<(?<tagName>\\w+)(?<attributes>.*)>(?<Value>.*)<\\/\\w+>\n"; final String string = "Dim SampleXML As String = $\"<?xml version=\"1.0\"?>\n" + "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:SOAP-ENC=\"http://schemas.xmlsoap.org/soap/encoding/\">\n" + " <SOAP-ENV:Body SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\" xmlns:NS1=\"urn:wsNewGES2000Intf-IwsNewGES2000\">\n" + " <NS1:PDA_DatosArticuloResponse xmlns:NS2=\"urn:wsNewGES2000Intf\">\n" + " <NS2:PDADatosArticulo id=\"1\" xsi:type=\"NS2:PDADatosArticulo\">\n" + " <Codigo xsi:type=\"xsd:string\">B1001</Codigo>\n" + " <Nombre xsi:type=\"xsd:string\">PAT. LISA FAMILIAR 260 GRS X 12 B.</Nombre>\n" + " <Existencias xsi:type=\"xsd:double\">0</Existencias>\n" + " <Costo xsi:type=\"xsd:double\">1.2</Costo>\n" + " <Margen0 xsi:type=\"xsd:double\">3</Margen0>\n" + " <PVP0 xsi:type=\"xsd:double\">1.212</PVP0>\n" + " <Margen1 xsi:type=\"xsd:double\">2</Margen1>\n" + " <PVP1 xsi:type=\"xsd:double\">1.224</PVP1>\n" + " <Margen2 xsi:type=\"xsd:double\">0</Margen2>\n" + " <PVP2 xsi:type=\"xsd:double\">1.236</PVP2>\n" + " <Margen3 xsi:type=\"xsd:double\">4</Margen3>\n" + " <PVP3 xsi:type=\"xsd:double\">1.248</PVP3>\n" + " </NS2:PDADatosArticulo>\n" + " <return href=\"#1\"/>\n" + " </NS1:PDA_DatosArticuloResponse>\n" + " </SOAP-ENV:Body>\n" + "</SOAP-ENV:Envelope>\n" + "\"$"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html