Regular Expressions 101

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  • PCRE2 (PHP >=7.3)
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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

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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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression

Regular Expressions 101

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