Regular Expressions 101

Explanation

Pro

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

this->assertAttributeEqualsthe literal text this->assertAttributeEquals (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1([$\[\]|a-zA-Z1-9 ,]+)

Character Class[$\[\]|a-zA-Z1-9 ,]+

+matches at least one character from the set below:

$the literal $ (36₁₀ / 44₈ / 24₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

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

1-9one character from 1 (49₁₀) to 9 (57₁₀)

the literal (32₁₀ / 40₈ / 20₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

, 'the literal text , '

Group 2([a-zAZ])

Character Class[a-zAZ]

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

Zthe literal Z (90₁₀ / 132₈ / 5A₁₆) (case sensitive)

Group 3([a-zAZ]+)

Character Class[a-zAZ]+

+matches at least one character from the set below:

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

Zthe literal Z (90₁₀ / 132₈ / 5A₁₆) (case sensitive)

', the literal text ',

Group 4([$1-9a-zA-Z\->]+)

Character Class[$1-9a-zA-Z\->]+

+matches at least one character from the set below:

$the literal $ (36₁₀ / 44₈ / 24₁₆)

1-9one character from 1 (49₁₀) to 9 (57₁₀)

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

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

\$this->assertAttributeEquals\(([$\[\]|a-zA-Z1-9 ,]+), '([a-zAZ])([a-zAZ]+)', ([$1-9a-zA-Z\->]+)\);

New

$this->assertAttributeEquals($target, 'thevalue', $object);

Extraction

$this->assertAttributeEquals($target, 'thevalue', $object);