Regular Expressions 101

1st Alternative[a-zA-Z0-9_]

Character Class[a-zA-Z0-9_]

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)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

2nd Alternative\+\+

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

3rd Alternative--

--the literal text --

4th Alternative<<

<<the literal text <<

5th Alternative>>

>>the literal text >>

6th Alternative[=+<>^*]=

Character Class[=+<>^*]

=the literal = (61₁₀ / 75₈ / 3D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

7th Alternative[\[\](){}.;,!<>+^%]

Character Class[\[\](){}.;,!<>+^%]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

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-Z0-9_]|\+\+|--|<<|>>|[=+<>^*]=|[\[\](){}.;,!<>+^%]

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==
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[
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{
}
.
;
,
!
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^
%
<<
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