regex101: PCRE2 (PHP) Match Workspace

Positive Lookbehind(?<=<errorMessage>)

<errorMessage>the literal text <errorMessage> (case sensitive)

Negated Character Class[^<>]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Positive Lookahead(?=</errorMessage>)

</errorMessage>the literal text </errorMessage> (case sensitive)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Search reference

Regular Expression

(?<=<errorMessage>)[^<>]+(?=</errorMessage>)

New

     <?xml version="1.0" endcoding=UTF-8"?>
 <n0:szemelyKutyaFuleResponsexmlns:prx="urn:sap.comproxy:SWP:/1SAI/TREASE1243804269AE457508F4:753" mmlns:n0="http://csajgeneratorws.tny.interfesz.kok.lo/">
    <return>
            <tanzakciosAzonosito>46981682-4637-49d2-bd4d-dcfff543742ed</tanzakciosAzonosito>
            <erdmeny>HIBAS</eredmeny>
            <errorCode>TSH08</errorCode>
            <errorMessage>Azonosítószám már hozzá lett rendelve üzleti partnerhez</errorMessage>
   </return>
     </n0:szemelyKutyaFuleResponse>

Regular Expressions 101

Regular Expression

Extraction