Regular Expressions 101

Explanation

Pro

\ban ASCII word boundary

Group 1((bc|tb)(0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})|1[ac-hj-np-z02-9]{8,87})|([13]|[mn2])[a-km-zA-HJ-NP-Z1-9]{25,39})

1st Alternative(bc|tb)(0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})|1[ac-hj-np-z02-9]{8,87})

Group 2(bc|tb)

1st Alternativebc

bcthe literal text bc (case sensitive)

2nd Alternativetb

tbthe literal text tb (case sensitive)

Group 3(0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})|1[ac-hj-np-z02-9]{8,87})

1st Alternative0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 4([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})

1st Alternative[ac-hj-np-z02-9]{39}

Character Class[ac-hj-np-z02-9]{39}

{39}matches exactly 39 characters from the set below:

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

c-hone character from c (99₁₀) to h (104₁₀) (case sensitive)

j-none character from j (106₁₀) to n (110₁₀) (case sensitive)

p-zone character from p (112₁₀) to z (122₁₀) (case sensitive)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

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

2nd Alternative[ac-hj-np-z02-9]{59}

Character Class[ac-hj-np-z02-9]{59}

{59}matches exactly 59 characters from the set below:

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

c-hone character from c (99₁₀) to h (104₁₀) (case sensitive)

j-none character from j (106₁₀) to n (110₁₀) (case sensitive)

p-zone character from p (112₁₀) to z (122₁₀) (case sensitive)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

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

2nd Alternative1[ac-hj-np-z02-9]{8,87}

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[ac-hj-np-z02-9]{8,87}

{8,87}matches between 8 and 87 characters from the set below:

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

c-hone character from c (99₁₀) to h (104₁₀) (case sensitive)

j-none character from j (106₁₀) to n (110₁₀) (case sensitive)

p-zone character from p (112₁₀) to z (122₁₀) (case sensitive)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

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

2nd Alternative([13]|[mn2])[a-km-zA-HJ-NP-Z1-9]{25,39}

Group 5([13]|[mn2])

1st Alternative[13]

Character Class[13]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

2nd Alternative[mn2]

Character Class[mn2]

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Character Class[a-km-zA-HJ-NP-Z1-9]{25,39}

{25,39}matches between 25 and 39 characters from the set below:

a-kone character from a (97₁₀) to k (107₁₀) (case sensitive)

m-zone character from m (109₁₀) to z (122₁₀) (case sensitive)

A-Hone character from A (65₁₀) to H (72₁₀) (case sensitive)

J-None character from J (74₁₀) to N (78₁₀) (case sensitive)

P-Zone character from P (80₁₀) to Z (90₁₀) (case sensitive)

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\ban ASCII word boundary

\sany whitespace character

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

26 tokens

Regular Expression

\b((bc|tb)(0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})|1[ac-hj-np-z02-9]{8,87})|([13]|[mn2])[a-km-zA-HJ-NP-Z1-9]{25,39})\b\s

New

BTC Address: 1JHwenDp9A98XdjfYkHKyiE3R99Q72K9X4 
BTC Address: 1Unoc4af6gCq3xzdDFmGLpq18jbTW1nZD
BTC Address: 1A8Ad7VbWDqwmRY6nSHtFcTqfW2XioXNmj
BTC Address: 12CZYvgNZ2ze3fGPFzgbSCELBJ6zzp2cWc
BTC Address: 17drmHLZMsCRWz48RchWfrz9Chx1osLe67

Receiving Bitcoin Address: 15LZALXitpbkK6m2QcbeQp6McqMvgeTnY8
Receiving Bitcoin Address: 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5

--------------------------------------------------------
Other possible BitCoin test cases I added:
--------------------------------------------------------
- What if text comes before and/or after on same line?  Or doesn't contain BitCoin/BTC/etc. anywhere (or anywhere close to the address)?
    Send BitCoin payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5
    1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.
    Send payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.

- Standalone address:
    1Dvd7Wb72JBTbAcfTrxSJCZZuf4tsT8V72

--------------------------------------------------------
Red

Substitution

BTC Address: 1JHwenDp9A98XdjfYkHKyiE3R99Q72K9X4 
BTC Address: 1Unoc4af6gCq3xzdDFmGLpq18jbTW1nZD
BTC Address: 1A8Ad7VbWDqwmRY6nSHtFcTqfW2XioXNmj
BTC Address: 12CZYvgNZ2ze3fGPFzgbSCELBJ6zzp2cWc
BTC Address: 17drmHLZMsCRWz48RchWfrz9Chx1osLe67

Receiving Bitcoin Address: 15LZALXitpbkK6m2QcbeQp6McqMvgeTnY8
Receiving Bitcoin Address: 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5

--------------------------------------------------------
Other possible BitCoin test cases I added:
--------------------------------------------------------
- What if text comes before and/or after on same line?  Or doesn't contain BitCoin/BTC/etc. anywhere (or anywhere close to the address)?
    Send BitCoin payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5
    1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.
    Send payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.

- Standalone address:
    1Dvd7Wb72JBTbAcfTrxSJCZZuf4tsT8V72

--------------------------------------------------------
Red