regex101: Russian mobile number normilizer (dumb)

Pro

^start of line

Non-Capturing Group(?:[0187]?|\+[87]?)

1st Alternative[0187]?

Character Class[0187]?

?matches at most one character from the set below:

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

2nd Alternative\+[87]?

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Character Class[87]?

?matches at most one character from the set below:

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:($[2-9]\d{2}$|[2-9]\d{2})[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?)

Group 1($[2-9]\d{2}$|[2-9]\d{2})

1st Alternative$[2-9]\d{2}$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[2-9]

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

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative[2-9]\d{2}

Character Class[2-9]

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

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

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d)

\da digit

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(\d)

\da digit

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 4(\d)

\da digit

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 5(\d)

\da digit

Character Class[- .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[- .]?

Group 6(\d)

Character Class[- .]?

Group 7(\d)

Character Class[- .]?

Group 8(\d)

Character Class[- .]?

$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

25 tokens

Regular Expression

^(?:[0187]?|\+[87]?)[- .]?(?:(\([2-9]\d{2}\)|[2-9]\d{2})[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?[- .]?(\d)[- .]?)$

New

+89031231232
92912312-32
+7929 123  12  32
+8 929 12-312-32
+8 929 123-12-32

Extraction

+89031231232
92912312-32
+7929 123  12  32
+8 929 12-312-32
+8 929 123-12-32