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

@
@

Test String

Code Generator

Language

Generated Code

const regex = new RegExp('https://www.facebook.com/pages/(.*?)/(.*?)[^0-9]', '') const str = ` 4.712><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Valentina-James-Photography/111558567434%3Fhc_location%3Dufi&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCBQwAA&amp;usg=AFQjCNH5lRwnWUddcP0qcCM-Csc-NdefJg">Valentina James Photography</b> - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Photography</b>/111558567434?...</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQgVMAA"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:_Z_I3Uux3V8J:https://www.facebook.com/pages/Valentina-James-Photography/111558567434%3Fhc_location%253Dufi%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCBcwAA&amp;usg=AFQjCNGXwRek9GCPfDpW3xsuGDw5k47ong">Cached</a></li></ul></div></div></div><span class="st">Valentina James Photography</b>, Crown Point</b>, IN. 635 likes</b> · 2 talking about this. &quot;<br> This is what I like about photographs. They&#39;re proof that once, even if...</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Starboi-Lashley-Photography/614119055321286&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCBkwAQ&amp;usg=AFQjCNFX62erQIqPaKkLxj4FDEjt9PL_sw">Starboi Lashley Photography</b> - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Photography</b>/614119055321286</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQgaMAE"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:R7xl4fzKH7MJ:https://www.facebook.com/pages/Starboi-Lashley-Photography/614119055321286%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCBwwAQ&amp;usg=AFQjCNGU3xDOIDxQL8j2SBgGNa0ZvGZ1DA">Cached</a></li><li class="_Ykb"><a class="_Zkb" href="/search?ie=UTF-8&amp;q=related:https://www.facebook.com/pages/Starboi-Lashley-Photography/614119055321286&amp;tbo=1&amp;sa=X&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAfCB0wAQ">Similar</a></li></ul></div></div></div><span class="st">1971 likes</b> · 19 talking about this · 1 was here. Contact ... Starboi Lashley <br> Photography&#39;s</b> Profile Photo .... Location: Store Bay Local Road, Crown Point</b> <br> Tobago.</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/John-Giolas-Photographers/71083285639&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCB8wAg&amp;usg=AFQjCNFre1btFSQyPYiq5iB19OiccaEdfQ">John Giolas Photographers</b> - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/John...Photographers</b>/71083285639</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQggMAI"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:tpeP1k5Vy3cJ:https://www.facebook.com/pages/John-Giolas-Photographers/71083285639%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCCIwAg&amp;usg=AFQjCNEyUnAeEbcOhyEM6P5UWr3PxsLdtw">Cached</a></li><li class="_Ykb"><a class="_Zkb" href="/search?ie=UTF-8&amp;q=related:https://www.facebook.com/pages/John-Giolas-Photographers/71083285639&amp;tbo=1&amp;sa=X&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAfCCMwAg">Similar</a></li></ul></div></div></div><div class="f slp"><div class="star"><div style="width:65px">&nbsp;</div></div>&nbsp;Rating: 5&nbsp;-&nbsp;2 votes</div><span class="st">John Giolas Photographers</b>, Merrillville, Indiana. 110 likes</b> · 37 were here. ... <br> contact Anna Blackmon Photography</b> on Broadway in Crown Point</b> at 219-226-<br> 1777.</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/on-Broadway-in-Crownpoint-IN/233362890037558&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCCYwAw&amp;usg=AFQjCNH1lcQrZXHdqTOw-fzIPNW5CXJKTg">on Broadway in Crownpoint</b>, IN - Crown Point</b>, Indiana - Arts ...</b></a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Crownpoint</b>.../233362890037558</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQgnMAM"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:EH-vRnMpbZ8J:https://www.facebook.com/pages/on-Broadway-in-Crownpoint-IN/233362890037558%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCCkwAw&amp;usg=AFQjCNEWREAjgeUMb7L6IeHwqWd28Et3Og">Cached</a></li></ul></div></div></div><span class="st">on Broadway in Crownpoint</b>, IN, Crown Point</b>, Indiana. 2 likes</b> · 5 were here. ... <br> Sacred Life Photography</b> added a new photo &#8212; with Edward Frey III and 2 others<br> &nbsp;...</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Lofs-Clubhouse/123172094425087&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCCswBA&amp;usg=AFQjCNFtu-NuNKa_f4nqGkcYbUjQSnEubA">Lofs Clubhouse - Crown Point</b>, Indiana - Local Business | Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/Lofs.../123172094425087</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQgsMAQ"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:p-9xlGkO7_QJ:https://www.facebook.com/pages/Lofs-Clubhouse/123172094425087%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCC4wBA&amp;usg=AFQjCNH4AEX37eL344djiRxrIeHre7SZuQ">Cached</a></li></ul></div></div></div><div class="f slp"><div class="star"><div style="width:39px">&nbsp;</div></div>&nbsp;Rating: 2.8&nbsp;-&nbsp;11 votes</div><span class="st">Local Business · Crown Point</b>, IN, United States. · 2.8 &#9734;. 626 people checked ... <br> Jill Marie Photography</b> with Sally Lugo at Lofs Clubhouse. December 20, 2015&nbsp;...</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Glimpses-Photography-By-Louise-Roys/149619258165%3Ffref%3Dts&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCDEwBQ&amp;usg=AFQjCNGJGkjgjOe9nt-WuGV00Vih7kk2jA">Glimpses Photography</b> By Louise Roys - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Photography</b>.../149619258165?...</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQgyMAU"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:MC7JcrpIQYoJ:https://www.facebook.com/pages/Glimpses-Photography-By-Louise-Roys/149619258165%3Ffref%253Dts%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCDQwBQ&amp;usg=AFQjCNGsmHnnlrh2QcaiDsmTQ7dg8h4mtQ">Cached</a></li></ul></div></div></div><div class="f slp"><div class="star"><div style="width:59px">&nbsp;</div></div>&nbsp;Rating: 4.7&nbsp;-&nbsp;3 votes&nbsp;-&nbsp;Price range: \$\$\$\$</div><span class="st">153 likes</b> · 10 talking about this · 10 were here. Photography</b> and Video. ... &#39;<br> Saturday November 28, 2015 10am- 4 pm Winter Market Crown Point</b> Court <br> House.</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Dawn-Michelle-Photography/467704393348290&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCDcwBg&amp;usg=AFQjCNEn8kxFG5mPlyk9__1ikuaxwHntvw">Dawn Michelle Photography</b> - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Photography</b>/467704393348290</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQg4MAY"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:atWTKZA6Sy4J:https://www.facebook.com/pages/Dawn-Michelle-Photography/467704393348290%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCDowBg&amp;usg=AFQjCNGAeryiRVv8myRtbwiJv0oRWXPVdA">Cached</a></li></ul></div></div></div><div class="f slp"><div class="star"><div style="width:65px">&nbsp;</div></div>&nbsp;Rating: 5&nbsp;-&nbsp;21 votes</div><span class="st">Dawn Michelle Photography</b>, Crown Point</b>, Indiana. 404 likes</b> · 21 talking about <br> this · 4 were here. Photography</b> for all memories. Senior Photos, Family...</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Lemon-Lake/180356962010907&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCD0wBw&amp;usg=AFQjCNFLD3Tcc3n3rXtaorIRt1m2w3kJMw">Lemon Lake - Crown Point</b>, Indiana - Park | Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/Lemon-Lake/180356962010907</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQg-MAc"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:QuetdaMmnAgJ:https://www.facebook.com/pages/Lemon-Lake/180356962010907%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCEAwBw&amp;usg=AFQjCNHfRdodCWt-jE0GhqsfG-93-WsUXA">Cached</a></li></ul></div></div></div><span class="st">·Located in Crown Point</b>, Indiana. Lemon Lake ... Park · Crown Point</b>, IN, United <br> States ... Meta Photography</b> added a new photo &#8212; at Lemon Lake. August 2&nbsp;...</span><br></div></div><div Array><h3 class="r"><a href="/url?q=https://www.facebook.com/pages/Meta-Photography/143568095781826&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAWCEIwCA&amp;usg=AFQjCNFaJevdUOgRPote5Fu3f3zbvwvH5g">Meta Photography</b> - Facebook</a></h3><div class="s"><div class="kv" style="margin-bottom:2px"><cite>https://www.facebook.com/pages/...Photography</b>/143568095781826</cite><div class="_nBb"><div style="display:inline" onclick="google.sham(this);" aria-expanded="false" aria-haspopup="true" tabindex="0" data-ved="0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChDsHQhDMAg"><span class="_O0"></span></div><div style="display:none" class="am-dropdown-menu" role="menu" tabindex="-1"><ul><li class="_Ykb"><a class="_Zkb" href="/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:sxAahcatlpUJ:https://www.facebook.com/pages/Meta-Photography/143568095781826%252Bsite:www.facebook.com/pages%2B%2522likes%2522%2Bcrown%2Bpoint,%2BIN%2Bphotographer%26hl%3Den%26%26ct%3Dclnk&amp;sa=U&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAgCEUwCA&amp;usg=AFQjCNGaXFCjzKwrqo8_kEK5Gwl-SAvxJg">Cached</a></li><li class="_Ykb"><a class="_Zkb" href="/search?ie=UTF-8&amp;q=related:https://www.facebook.com/pages/Meta-Photography/143568095781826&amp;tbo=1&amp;sa=X&amp;ved=0ahUKEwiqi9yD3sDLAhUmkoMKHXomA6s4ChAfCEYwCA">Similar</a></li></ul></div></div></div><div class="f slp"><div class="star"><div style="width:52px">&nbsp;</div></div>&nbsp;Rating: 4.2&nbsp;-&nbsp;18 votes</div><span class="st">Meta Photography</b>, Schererville, Indiana. 332 likes</b> · 5 were here. Phtotography <br> has always been a passion of mine. As a kid i walked around with those...</span><br></div></div><div Array`; // 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