Regular Expressions 101

Explanation
Pro

Negative Lookahead(?!.*?\/voice\/m\/contact\/\w+[^a-zA-Z0-9]+[a-zA-Z\s\d]*.*)

.*?any character, repeated any number of times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

voicethe literal text voice (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

contactthe literal text contact (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

Negated Character Class[^a-zA-Z0-9]+

+matches at least one character outside the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[a-zA-Z\s\d]*

*matches any number of characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\sany whitespace character

\da digit

.*any character, repeated any number of times

Positive Lookbehind(?<=>)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[a-zA-Z\s\d]*

*matches any number of characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\sany whitespace character

\da digit

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

(?!.*?\/voice\/m\/contact\/\w+[^a-zA-Z0-9]+[a-zA-Z\s\d]*.*)(?<=>)[a-zA-Z\s\d]*

New

<b>

<a class="" href="/voice/m/contact/dhbte4tgsbhh65u6">Name name2 name3</a>
</b>

<b>

<a class="" href="/voice/m/contact/dhbte4tgsbhh65u6">Name name2 name3</a>
</b>