Regular Expressions 101

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  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
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<img [^>]*?src=["\']data:image/svg\+xml[^>]+>
%
g
<img
matches the characters <img literally (case sensitive)
Match a single character not present in the list below
[^>]
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
> matches the character > with index 6210 (3E16 or 768) literally (case sensitive)
src=
matches the characters src= literally (case sensitive)
Match a single character present in the list below
["\']
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
data:image/svg
matches the characters data:image/svg literally (case sensitive)
\+ matches the character + with index 4310 (2B16 or 538) literally (case sensitive)
xml
matches the characters xml literally (case sensitive)
Match a single character not present in the list below
[^>]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
> matches the character > with index 6210 (3E16 or 768) literally (case sensitive)
> matches the character > with index 6210 (3E16 or 768) literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

%
%
g

Test String

Substitution

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Generated Code

Loading code sample...
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

Regular Expressions 101

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