Regular Expressions 101

Explanation

Pro

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 1(\/?[-.0-9_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\x{37d}\x{37f}-\x{1fff}\x{200c}-\x{200d}\x{203f}-\x{2040}\x{2070}-\x{218f}\x{2c00}-\x{2fef}\x{3001}-\x{d7ff}\x{f900}-\x{fdcf}\x{fdf0}-\x{fffd}\x{10000}-\x{effff}]*)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[-.0-9_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\x{37d}\x{37f}-\x{1fff}\x{200c}-\x{200d}\x{203f}-\x{2040}\x{2070}-\x{218f}\x{2c00}-\x{2fef}\x{3001}-\x{d7ff}\x{f900}-\x{fdcf}\x{fdf0}-\x{fffd}\x{10000}-\x{effff}]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

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

\xb7the literal · (B7₁₆ / 267₈ / 183₁₀)

\xc0-\xd6one character from À (192₁₀) to Ö (214₁₀) (case sensitive)

\xd8-\xf6one character from Ø (216₁₀) to ö (246₁₀) (case sensitive)

\xf8-\x{37d}one character from ø (248₁₀) to ͽ (893₁₀) (case sensitive)

\x{37f}-\x{1fff}one character from Ϳ (895₁₀) to ῿ (8191₁₀) (case sensitive)

\x{200c}-\x{200d}one character from ‌ (8204₁₀) to ‍ (8205₁₀)

\x{203f}-\x{2040}one character from ‿ (8255₁₀) to ⁀ (8256₁₀)

\x{2070}-\x{218f}one character from ⁰ (8304₁₀) to ↏ (8591₁₀)

\x{2c00}-\x{2fef}one character from Ⰰ (11264₁₀) to ⿯ (12271₁₀) (case sensitive)

\x{3001}-\x{d7ff}one character from 、 (12289₁₀) to ퟿ (55295₁₀)

\x{f900}-\x{fdcf}one character from 豈 (63744₁₀) to ﷏ (64975₁₀)

\x{fdf0}-\x{fffd}one character from ﷰ (65008₁₀) to � (65533₁₀)

\x{10000}-\x{effff}one character from 𐀀 (65536₁₀) to 󯿿 (983039₁₀)

\s*a Unicode whitespace character, repeated any number of times

Group 2([^>]*)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

u modifier: unicode. Treats the pattern and subject as UTF-16

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

<(\/?[-.0-9_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\x{37d}\x{37f}-\x{1fff}\x{200c}-\x{200d}\x{203f}-\x{2040}\x{2070}-\x{218f}\x{2c00}-\x{2fef}\x{3001}-\x{d7ff}\x{f900}-\x{fdcf}\x{fdf0}-\x{fffd}\x{10000}-\x{effff}]*)\s*([^>]*)>

New

<emotion-😍>.
<math-α>
<test.attr="5">
<what value=false>