Regular Expressions 101

^start of line

Group 1(0{0,2}\+?389[\s./-]?)

0{0,2}the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated between 0 and 2 times

\+?optionally matches the literal + (43₁₀ / 53₈ / 2B₁₆)

389the literal text 389

Character Class[\s./-]?

?matches at most one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2($?[0]?[7-7][0-9]$?[\s./-]?)

\(?optionally matches the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[0]?

?matches at most one character from the set below:

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[7-7]

7-7one character from 7 (55₁₀) to 7 (55₁₀)

Character Class[0-9]

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

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[\s./-]?

?matches at most one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3([2-9]\d{2}[\s./-]?\d{3})

Character Class[2-9]

2-9one character from 2 (50₁₀) to 9 (57₁₀)

\d{2}a digit, repeated exactly 2 times

Character Class[\s./-]?

?matches at most one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{3}a digit, repeated exactly 3 times

$end of line

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

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Search reference

Regular Expression

^(0{0,2}\+?389[\s./-]?)(\(?[0]?[7-7][0-9]\)?[\s./-]?)([2-9]\d{2}[\s./-]?\d{3})$

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