Regular Expressions 101

Group 1([^A-Za-z]|\b)+

+repeats the group contents below at least once:

1st Alternative[^A-Za-z]

Negated Character Class[^A-Za-z]

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

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

2nd Alternative\b

\ban ASCII word boundary

DRthe literal text DR (case sensitive)

Group 2([^A-Za-z]|\b)+

+repeats the group contents below at least once:

1st Alternative[^A-Za-z]

Negated Character Class[^A-Za-z]

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

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

2nd Alternative\b

\ban ASCII word boundary

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

([^A-Za-z]|\b)+DR([^A-Za-z]|\b)+

New

DR. This is my test string I want to match dr occurences of the case-sensitive word DR. I want all matches where DR is by itself and not part of a word such as DRIFT. I want to find it in the start of and end of a string. DR

Regular Expression

Extraction