Regular Expressions 101

Pro

\ban ASCII word boundary

Character Class[A-Z]

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

\w+any word character, repeated at least once

Non-Capturing Group(?: [A-Z]\w+)*

*repeats the group contents below any number of times:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[A-Z]

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

\w+any word character, repeated at least once

Positive Lookahead(?= $[A-Z]+$)

the literal (32₁₀ / 40₈ / 20₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[A-Z]+

+matches at least one character from the set below:

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

\b[A-Z]\w+(?: [A-Z]\w+)*(?= \([A-Z]+\))

New

This is a block of text MIDI The USB Device Class Definition for MIDI Devices transmits Music Instrument Digital Interface (MIDI).

I need to select only the "Music Instrument Digital Interface"