Regular Expressions 101

Explanation

Pro

^start of line

Positive Lookahead(?=[a-zçöşğü.]{13}@)

Character Class[a-zçöşğü.]{13}

{13}matches exactly 13 characters from the set below:

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

çthe literal ç (231₁₀ / 347₈ / E7₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

şthe literal ş (351₁₀ / 537₈ / 15F₁₆) (case sensitive)

ğthe literal ğ (287₁₀ / 437₈ / 11F₁₆) (case sensitive)

üthe literal ü (252₁₀ / 374₈ / FC₁₆) (case sensitive)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Character Class[a-zçöşğü]+

+matches at least one character from the set below:

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

çthe literal ç (231₁₀ / 347₈ / E7₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

şthe literal ş (351₁₀ / 537₈ / 15F₁₆) (case sensitive)

ğthe literal ğ (287₁₀ / 437₈ / 11F₁₆) (case sensitive)

üthe literal ü (252₁₀ / 374₈ / FC₁₆) (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zçöşğü]+

+matches at least one character from the set below:

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

çthe literal ç (231₁₀ / 347₈ / E7₁₆) (case sensitive)

öthe literal ö (246₁₀ / 366₈ / F6₁₆) (case sensitive)

şthe literal ş (351₁₀ / 537₈ / 15F₁₆) (case sensitive)

ğthe literal ğ (287₁₀ / 437₈ / 11F₁₆) (case sensitive)

üthe literal ü (252₁₀ / 374₈ / FC₁₆) (case sensitive)

@exmthe literal text @exm (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

govthe literal text gov (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

xxthe literal text xx (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

enthe literal text en (case sensitive)

$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

^(?=[a-zçöşğü.]{13}@)[a-zçöşğü]+\.[a-zçöşğü]+@exm\.gov\.xx\.en$

New

abcde.surname@exm.gov.xx.en
name.surnamyy@exm.gov.xx.en

a.abcdefghijk@exm.gov.xx.en
names.surname@exm.gov.xx.en

ab.abcdefghijk@exm.gov.xx.en
names.surnames@exm.gov.xx.en

Extraction

abcde.surname@exm.gov.xx.en
name.surnamyy@exm.gov.xx.en

a.abcdefghijk@exm.gov.xx.en
names.surname@exm.gov.xx.en

ab.abcdefghijk@exm.gov.xx.en
names.surnames@exm.gov.xx.en