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

const regex = /(?s)c0"><span>(?<Ref>.+?)<\/.+nowrap;">(?<PartName>.+?)<\/.+itemnum(?:new)?">(?<ItemNumber>.+?)<\/.+dbl">(?<Price>.+?)<\/.+input" value="(?<Quantity>.+?)"/gm; // Alternative syntax using RegExp constructor // const regex = new RegExp('(?s)c0"><span>(?<Ref>.+?)<\\\/.+nowrap;">(?<PartName>.+?)<\\\/.+itemnum(?:new)?">(?<ItemNumber>.+?)<\\\/.+dbl">(?<Price>.+?)<\\\/.+input" value="(?<Quantity>.+?)"', 'gm') const str = `<div class="partlistrow"> <form action="/cart/addoempart" data-name="Valve, Intake" data-qoh="0" data-sku="5NL-12111-00-00" id="add_1_5NL-12111-00-00" method="post"> <input type="hidden" id="manf_1" name="manf" value="YAM" /> <input type="hidden" id="assembly_1" name="assembly" value="500449cff8700209bc790600" /> <input type="hidden" id="sku_1" name="sku" value="5NL-12111-00-00" /> <div class="c0"><span>1</span></div> <div class="c1"> <div class="c1a" style="width:100%;display:table;table-layout:fixed;"> <span style="white-space: nowrap;">Valve, Intake</span> </div> <div class="clear"></div> <div class="c1b"> <a href="/oemparts/p/yamaha/5nl-12111-00-00/valve-intake"><span class="itemnumstrike">5NL-12111-00-00</span></a> <a href="/oemparts/p/yamaha/5nl-12111-30-00/valve-intake"><span class="itemnumnew">5NL-12111-30-00</span></a> </div> <div class="clear"></div> </div> <div class="c2"><span class="dbl">\$116.99</span></div> <div class="c3"><input type="text" id="qty_1" name="qty" class="input_1 center required qtyinput" value="1" /></div> <div class="c4"><input type="submit" id="addtocart_1_5NL-12111-00-00" class="ui ui-icon-smadd btnpartadd" value="Add" /></div> <div class="clear"></div> </form> </div>`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; while ((m = regex.exec(str)) !== null) { // This is necessary to avoid infinite loops with zero-width matches if (m.index === regex.lastIndex) { regex.lastIndex++; } // 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