regex101: html tag

<pthe literal text <p (case sensitive)

Non-Capturing Group(?:(?!<|>).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!<|>)

1st Alternative<

<the literal < (60₁₀ / 74₈ / 3C₁₆)

2nd Alternative>

>the literal > (62₁₀ / 76₈ / 3E₁₆)

.any character (except for line terminators)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 1((?:(?!<p|<\/p>).|\s)*)

Non-Capturing Group(?:(?!<p|<\/p>).|\s)*

*repeats the group contents below any number of times:

1st Alternative(?!<p|<\/p>).

Negative Lookahead(?!<p|<\/p>)

1st Alternative<p

<pthe literal text <p (case sensitive)

2nd Alternative<\/p>

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

p>the literal text p> (case sensitive)

.any character (except for line terminators)

2nd Alternative\s

\sany whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

p>the literal text p> (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

<p(?:(?!<|>).)*>((?:(?!<p|<\/p>).|\s)*)<\/p>

Test String
New

</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tên công ty: {company_name}
</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(#)Địa chỉ:&nbsp; {company_address}</span></p>

<p style="text-align: justify;">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(#)<span style="font-size: 14px;">{company_branch}</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;(#)<span style="font-size: 14px;">{company_email}</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;(#)<span style="font-size: 14px;">{company_phone1}</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;(#)<span style="font-size: 14px;">{company_website}</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{company_tax_code}</span></p>

<p style="text-align: justify;"><span style="font-size: 14px;">

Regular Expressions 101

Regular Expression

Test String
New

Extraction
Processing...

Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
Processing...