Regular Expressions 101

Pro

^start of string

Group 1((\+34[\s])|($\+34$[\s]?))?

?repeats the group contents below at most once:

1st Alternative(\+34[\s])

Group 2(\+34[\s])

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

34the literal text 34

Character Class[\s]

\sany whitespace character

2nd Alternative($\+34$[\s]?)

Group 3($\+34$[\s]?)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

34the literal text 34

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[\s]?

?matches at most one character from the set below:

\sany whitespace character

Character Class[9|8|7|6]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

Group 4([0-9]{6}|([\s][0-9]{3}){2}|([\s][0-9]{2}){3})

1st Alternative[0-9]{6}

Character Class[0-9]{6}

{6}matches exactly 6 characters from the set below:

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

2nd Alternative([\s][0-9]{3}){2}

Group 5([\s][0-9]{3}){2}

{2}repeats the group contents below exactly 2 times:

Character Class[\s]

\sany whitespace character

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

3rd Alternative([\s][0-9]{2}){3}

Group 6([\s][0-9]{2}){3}

{3}repeats the group contents below exactly 3 times:

Character Class[\s]

\sany whitespace character

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^((\+34[\s])|(\(\+34\)[\s]?))?[9|8|7|6][0-9]{2}([0-9]{6}|([\s][0-9]{3}){2}|([\s][0-9]{2}){3})$

(+34) 666 66 66 66

Substitution

(+34) 666 66 66 66