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

/
/
ims

Test String

Code Generator

Language

Generated Code

const regex = /<w:p.*?>.*?<w:t>\$<\/w:t>.*?test.*?<\/w:p>/ims; // Alternative syntax using RegExp constructor // const regex = new RegExp('<w:p.*?>.*?<w:t>\\$<\\\/w:t>.*?test.*?<\\\/w:p>', 'ims') const str = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <w:document xmlns:ve="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing" xmlns:w10="urn:schemas-microsoft-com:office:word" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:wne="http://schemas.microsoft.com/office/word/2006/wordml"><w:body><w:p w:rsidR="00EA0853" w:rsidRDefault="00E24666" w:rsidP="00582CB9"><w:pPr><w:tabs><w:tab w:val="left" w:pos="10065"/></w:tabs><w:spacing w:before="120" w:after="120" w:line="240" w:lineRule="auto"/><w:jc w:val="center"/><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr></w:pPr><w:r><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr><w:t>APP</w:t></w:r></w:p><w:p w:rsidR="0035180D" w:rsidRDefault="00C7412B" w:rsidP="00945FB5"><w:pPr><w:tabs><w:tab w:val="left" w:pos="10065"/></w:tabs><w:spacing w:before="120" w:after="120" w:line="240" w:lineRule="auto"/><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr></w:pPr><w:r w:rsidRPr="002E673F"><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr><w:t>\$</w:t></w:r><w:r w:rsidR="0035180D" w:rsidRPr="002E673F"><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr><w:t>{</w:t></w:r><w:r w:rsidR="005803EA" w:rsidRPr="002E673F"><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr><w:t>test</w:t></w:r><w:r w:rsidR="0035180D" w:rsidRPr="002E673F"><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr><w:t>}</w:t></w:r></w:p><w:p w:rsidR="00524DA0" w:rsidRPr="002E673F" w:rsidRDefault="00524DA0" w:rsidP="00945FB5"><w:pPr><w:tabs><w:tab w:val="left" w:pos="10065"/></w:tabs><w:spacing w:before="120" w:after="120" w:line="240" w:lineRule="auto"/><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:lang w:val="en-US"/></w:rPr></w:pPr></w:p><w:p w:rsidR="00375D75" w:rsidRPr="00496574" w:rsidRDefault="00375D75" w:rsidP="00496574"><w:pPr><w:spacing w:after="0" w:line="120" w:lineRule="auto"/><w:rPr><w:rFonts w:ascii="Times New Roman" w:hAnsi="Times New Roman" w:cs="Times New Roman"/><w:b/><w:sz w:val="2"/><w:lang w:val="en-US"/></w:rPr></w:pPr></w:p><w:sectPr w:rsidR="00375D75" w:rsidRPr="00496574" w:rsidSect="00550158"><w:pgSz w:w="11906" w:h="16838" w:code="9"/><w:pgMar w:top="1134" w:right="707" w:bottom="568" w:left="1134" w:header="708" w:footer="708" w:gutter="0"/><w:cols w:space="708"/><w:docGrid w:linePitch="360"/></w:sectPr></w:body></w:document>`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; if ((m = regex.exec(str)) !== null) { // The result can be accessed through the `m`-variable. m.forEach((match, groupIndex) => { console.log(`Found match, group ${groupIndex}: ${match}`); }); }

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