Regular Expressions 101

Explanation

Pro

^start of line

Non-Capturing Group(?:(\+49|0049|\+\(49\)|\(\+49\))?[ ()\/-]*(?(1)|0)1(?:5[12579]|6[023489]|7[0-9])|(\+43|0043|\+\(43\)|\(\+43\))?[ ()\/-]*(?(2)|0)6(?:64|(?:50|6[0457]|7[0678]|8[0168]|9[09])))

1st Alternative(\+49|0049|\+\(49\)|\(\+49\))?[ ()\/-]*(?(1)|0)1(?:5[12579]|6[023489]|7[0-9])

Group 1(\+49|0049|\+\(49\)|\(\+49\))?

?repeats the group contents below at most once:

1st Alternative\+49

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

49the literal text 49

2nd Alternative0049

0049the literal text 0049

3rd Alternative\+\(49\)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

49the literal text 49

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

4th Alternative\(\+49\)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

49the literal text 49

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[ ()\/-]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Condition(?(1)|0)

Uses the first branch if group 1 matched

If the condition is true, match this branch: — matches an empty string

Otherwise, match this branch:0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Non-Capturing Group(?:5[12579]|6[023489]|7[0-9])

1st Alternative5[12579]

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Character Class[12579]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

2nd Alternative6[023489]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[023489]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

3rd Alternative7[0-9]

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

Character Class[0-9]

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

2nd Alternative(\+43|0043|\+\(43\)|\(\+43\))?[ ()\/-]*(?(2)|0)6(?:64|(?:50|6[0457]|7[0678]|8[0168]|9[09]))

Group 2(\+43|0043|\+\(43\)|\(\+43\))?

?repeats the group contents below at most once:

1st Alternative\+43

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

43the literal text 43

2nd Alternative0043

0043the literal text 0043

3rd Alternative\+\(43\)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

43the literal text 43

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

4th Alternative\(\+43\)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

43the literal text 43

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[ ()\/-]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Condition(?(2)|0)

Uses the first branch if group 2 matched

If the condition is true, match this branch: — matches an empty string

Otherwise, match this branch:0

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Non-Capturing Group(?:64|(?:50|6[0457]|7[0678]|8[0168]|9[09]))

Character Class[ ()\/-]*

\da Unicode decimal digit

Non-Capturing Group(?:[ \/-]*\d){6,7}

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

^(?:(\+49|0049|\+\(49\)|\(\+49\))?[ ()\/-]*(?(1)|0)1(?:5[12579]|6[023489]|7[0-9])|(\+43|0043|\+\(43\)|\(\+43\))?[ ()\/-]*(?(2)|0)6(?:64|(?:50|6[0457]|7[0678]|8[0168]|9[09])))[ ()\/-]*\d(?:[ \/-]*\d){6,7}\s*$

New

################################### This is allowed ##########################
#### Longes German format ### https://en.wikipedia.org/wiki/Telephone_numbers_in_Germany
017698600189
0176 98600189
0176 98 600 189
+4917698600189
+49 17698600189
0049 17698600189
004917698600189
(+49)17698600189
(+49) 17698600189
+(49)17698600189
+(49) 17698600189
+(49) 176 98600189
+(49) 176 98 600 189
+49 176 98 600 189
+49 (176) 98 600 189

#### Shortest German format ### https://en.wikipedia.org/wiki/Telephone_numbers_in_Germany
01609860018
0160 9860018
0160 98 600 18
+491609860018
+49 1609860018
0049 1609860018
00491609860018
(+49)1609860018
(+49) 1609860018
+(49)1609860018
+(49) 1609860018
+(49) 160 9860018
+(49) 160 98 600 18
+49 160 98 600 18
+49 (160) 98 600 18

#### Different Prefix https://en.wikipedia.org/wiki/Telephone_numbers_in_Germany
017698600189
01609860018
01519860018
01709860018
01719860018
01759860018
01529860018
01799860018
01789860018
01779860018
01559860018
01629860018
01729860018
01