regex101: PCRE (Legacy) Substitution Workspace

1st Alternative
(*SKIP)(*FAIL)


the literal text 
 (case sensitive)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative[^&\r\n]+(?:&(?!#xA;)[^&\r\n]*)*

Negated Character Class[^&\r\n]+

+matches at least one character outside the set below:

&the literal & (38₁₀ / 46₈ / 26₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:&(?!#xA;)[^&\r\n]*)*

*repeats the group contents below any number of times:

&the literal & (38₁₀ / 46₈ / 26₁₆)

Negative Lookahead(?!#xA;)

#xA;the literal text #xA; (case sensitive)

Negated Character Class[^&\r\n]*

*matches any number of characters outside the set below:

&the literal & (38₁₀ / 46₈ / 26₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Search reference

Regular Expression

&#xA;(*SKIP)(*FAIL)|[^&\r\n]+(?:&(?!#xA;)[^&\r\n]*)*

Test String
New

The client requires photos of a radioactive world&#xA;Reach the target planet.
The client requires photos.&#xA;&#xA;Reach the target planet.
The client requires photos of a desert world&#xA;Reach the target planet.
The client requires photos of an airless world. Reach the target planet.
The client requires photos of a strange world&#xA;&#xA;Reach the target planet&#xA;Make a quick scan.

The disturbed region must be accessed by &lt;SPECIAL&gt;Portal&lt;&gt;&#xA;Speak to the inhabitants of the Space Anomaly to learn more" to "&;A&;&;&;&#xA;A

Regular Expressions 101

Regular Expression

Test String
New

Extraction
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Regular Expression

Test StringNew

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Test String
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