Regular Expressions 101

Save & Manage Regex

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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
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Test String

Substitution
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Code Generator

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Generated Code

$re = '/(<span class="cproComment">((.*)\s)*?(?=<span class="cproComment">))/'; $str = ' <div id="ChordSheetViewerContainer"> <span class="cproSongHeader"> <span class="cproTitleLine"> <span class="cproTitle">10,000 Reasons (Bless The Lord)</span> <span class="cproSongKeyWrapper">Key - <code class="cproSongKey" data-chordname="G">G</code></span> </span> <span class="cproAuthorLine"> <span class="cproAuthors">Jonas Myrin | Matt Redman</span> <span class="cproTempoTimeWrapper">Tempo - 73 BPM | Time - 4/4</span> </span> </span> <br/><pre class="cproSongBody"> <span class="cproComment">Chorus 1a</span> <span class="cproSongLine">Bless the <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Lord</span></span> O my <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">soul</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics">O</span></span> my <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">soul</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Worship</span></span> His <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">name</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine">Sing like I want this to be a much <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">never</span></span> be - <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">fore</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">O</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">my</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">soul</span></span> </span> <span class="cproSongLine">I’ll <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">worship</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">holy </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics">name</span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span></span> <span class="cproComment">Verse 1</span> <span class="cproSongLine">The <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">sun</span></span> comes <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">up</span></span> it’s a <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">new</span></span> day <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">dawning</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> It’s time to <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">sing</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">song</span></span> a - <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">gain</span></span> </span> <span class="cproSongLine">What - <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">ever</span></span> may <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">pass</span></span> and what - <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">ever</span></span> lies be - <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">fore</span></span> me </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Let me be <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">singing</span></span> when the <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">eve</span></span> - <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">ning</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">comes</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproComment">Verse 2</span> <span class="cproSongLine">You’re <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">rich</span></span> in <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">love</span></span> and You’re <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">slow</span></span> to <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">anger</span></span> </span> <span class="cproSongLine">Your <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">name</span></span> is <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">great</span></span> and Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">heart</span></span> is <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">kind</span></span> </span> <span class="cproSongLine">For <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">all</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">goodness</span></span> I will <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics">keep</span></span> on <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">singing</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">reasons</span></span> for my <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">heart This should be a </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">to</span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">find really long section</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproComment">Chorus 1b</span> <span class="cproSongLine">Bless the <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Lord</span></span> O my <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">soul</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics">O</span></span> my <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">soul</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Worship</span></span> His <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">name</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics"> </span></span></span> <span class="cproSongLine">Sing like <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">never</span></span> be - <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">fore</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">O</span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">my</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">soul</span></span> </span> <span class="cproSongLine"><span class="cproDirectionWrapper"><span class="cproDirection" >1st Ending</span><span class="chordLyrics"> </span></span> I\'ll <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">worship</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">name</span></span></span> <span class="cproSongLine"><span class="cproDirectionWrapper"><span class="cproDirection" >2nd Ending</span><span class="chordLyrics"> </span></span> I\'ll <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">worship</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">name</span></span> <span class="cproDirectionWrapper"><span class="cproDirection" >(To Ending)</span><span class="chordLyrics"> </span></span></span> <span class="cproComment">Instrumental</span> <span class="cproSongLine chordsOnly"><span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span><span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> </span> <span class="cproSongLine chordsOnly"><span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span><span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> </span> </div> <span class="cproComment">Verse 3</span> <span class="cproSongLine">And <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">on</span></span> that <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">day</span></span> when my <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics">strength</span></span> is <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">failing</span></span> </span> <span class="cproSongLine">The <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">end</span></span> draws <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">near</span></span> and my <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">time</span></span> has <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">come</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Still</span></span> my <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">soul</span></span> will sing Your <span class="chordWrapper"><code class="chord" data-chordname="D/F#">D/F#</code><span class="chordLyrics">praise</span></span> un - <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">ending</span></span> </span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics"> </span></span> Ten thousand <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">years</span></span> and then for - <span class="chordWrapper"><code class="chord" data-chordname="Dsus">Dsus</code><span class="chordLyrics">ev</span></span> - <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">er</span></span> - <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">more</span></span> <span class="chordWrapper"><code class="chord" data-chordname="C/G">C/G</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="|">|</code><span class="chordLyrics"> </span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics"> </span></span></span> <span class="cproComment">Ending</span> <span class="cproSongLine"><span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">Worship</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="Em">Em</code><span class="chordLyrics">name</span></span> </span> <span class="cproSongLine">Lord I’ll <span class="chordWrapper"><code class="chord" data-chordname="C">C</code><span class="chordLyrics">worship</span></span> Your <span class="chordWrapper"><code class="chord" data-chordname="D">D</code><span class="chordLyrics">holy</span></span> <span class="chordWrapper"><code class="chord" data-chordname="G">G</code><span class="chordLyrics">name</span></span> </span> </pre>'; $subst = "<span class=\"cproSongSection>$1</span>"; $result = preg_replace($re, $subst, $str, 1); echo "The result of the substitution is ".$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 PHP, please visit: http://php.net/manual/en/ref.pcre.php