Regular Expressions 101

Group 1(\bgpa[ :]+)?

?repeats the group contents below at most once:

\ba Unicode word boundary

gpathe literal text gpa (case insensitive)

Character Class[ :]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2(\d+(?:\.\d+)?)

\d+a Unicode decimal digit, repeated at least once

Non-Capturing Group(?:\.\d+)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a Unicode decimal digit, repeated at least once

Character Class[/\d. ]{0,6}

{0,6}matches between 0 and 6 characters from the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\da Unicode decimal digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Condition(?(1)| *gpa\b)

Uses the first branch if group 1 matched

If the condition is true, match this branch: — matches an empty string

Otherwise, match this branch: *gpa\b

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

gpathe literal text gpa (case insensitive)

\ba Unicode word boundary

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\bgpa[ :]+)?(\d+(?:\.\d+)?)[/\d. ]{0,6}(?(1)| *gpa\b)

New

GPA 3.75/4.00
GPA 3.75/4.0
GPA 3.75 /4.0
GPA 3.75 / 4.0
GPA 3.7 / 4      aaa
Major GPA: 3.6/4.0
GPA 3.1
GPA 3
some text GPA 3
3.25/4.0 GPA
some text 3.26 / 4.0 GPA
Minor in Art and Technology - 3.5/4.0 GPA aaaa
Minor in Art and Technology - 3.5 / 4.3 GPA aaaa