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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
Processing...

Test String

Code Generator

Language

Generated Code

package main import ( "regexp" "fmt" ) func main() { var re = regexp.MustCompile(`(?s)page="[0-9]+".+?subject="(?:Text Box|Sticky Note)".+?<\/span`) var str = ` ><text color="#FFFF00" creationdate="D:20180307100631+04'00'" flags="print,nozoom,norotate" date="D:20180307100652+04'00'" name="a60915a3-1c23-4f6d-b8d4-fbe0dd4890e9" icon="Comment" page="7" rect="351.308000,135.732000,371.308000,153.732000" subject="Sticky Note" title="saddia" ><contents-richtext ><body xmlns="http://www.w3.org/1999/xhtml" xmlns:xfa="http://www.xfa.org/schema/xfa-data/1.0/" xfa:APIVersion="Acrobat:9.0.0" xfa:spec="2.0.2" ><p dir="ltr" ><span dir="ltr" style="font-size:10.0pt;text-align:left;color:#000000;font-weight:normal;font-style:normal" >As agreed with WPO that any unspecific area use GEN</span ><span dir="ltr" style="font-size:11.0pt;text-align:left;color:#1D477B;font-weight:normal;font-style:normal" >&#xD;</span ><span dir="ltr" style="font-size:11.0pt;text-align:left;color:#000000;font-weight:normal;font-style:normal" >&#xD;</span` for i, match := range re.FindAllString(str, -1) { fmt.Println(match, "found at index", 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 Golang, please visit: https://golang.org/pkg/regexp/