12 Different
Regular Expression for
Integer Number
Tip #1

http://www.youtube.com/zarigatongy
Most Usefull Regex By Examples
1.
2.
3.
4.
5.

Regex Number with Range
Regex Allow Only Number
Regex Number Range
Regex Si...
• Five Integer US ZIP Code
^d{5}$

• Matches 33333 | 55555 | 23445
• Non-Matches abcd | 1324 | as;lkjdf

http://www.youtub...
Positive Integer
^d+$
• Matches 123 | 10 | 54
• Non-Matches -54 | 54.234 | abc

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• Non zero positive integer
^(0+[1-9]|[1-9])[0-9]*$
• Matches 122, 9992, 000022
• Non-Matches 0, 00000, 1.2, -3.22

http:/...
• Integer with 1000s Separator
^[1-9]{1}[0-9]{0,2}([.,]?[0-9]{3})*$
• Matches 1,000|1.000|1|10|100|1000
• Non-Matches 1,00...
• Hexadecimal Numbers,
0[xX][0-9a-fA-F]+

e.g.
‘0x0f4’, ‘0acdadecf822eeff32aca5830e438cb54a
a722e3’, ‘8BADF00D’

http://ww...
Allow a string to only contain numbers 0 - 9 and
limit length to 50
^[0-9]{1,50}$
– Matches 00303039
– Non Matches 039330a...
1. Allow Only Number
– A[0-9]+Z
– ^[0-9]+$

http://www.youtube.com/zarigatongy
• Regex Number Range
a. 000..255: ^([01][0-9][0-9]|2[0-4][0-9]|25[0-5])$
b. 0 or 000..255: ^([01]?[0-9]?[0-9]|2[0-4][0-9]|...
• Integer decimal number with an optional plus
or minus sign
[+-]?b[0-9]+b

http://www.youtube.com/zarigatongy
• comma as the thousand separator and the dot
as the decimal separator
^[0-9]{1,3}(,[0-9]{3})*.[0-9]+$

http://www.youtube...
• Hexadecimal Number With Range
• 0 to FFFF
^([1-9a-f][0-9a-f]{1,3}|[0-9a-f])$
• 1 to 366
^(16[0-9a-e]|1[0-5][0-9a-f]|[1-9...
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Regular Expression

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Different Regular Expression for Integer Number

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Regular Expression

  1. 1. 12 Different Regular Expression for Integer Number Tip #1 http://www.youtube.com/zarigatongy
  2. 2. Most Usefull Regex By Examples 1. 2. 3. 4. 5. Regex Number with Range Regex Allow Only Number Regex Number Range Regex Signed Integer Regex Comma as the thousand separator and the dot as the decimal separator 6. Regex Five Integer US ZIP Code 7. Regex Positive Integer 8. Regex non zero positive integer 9. Regex Integer with 1000s Separator 10. Regex Hexadecimal Numbers 11. Regex Hexadecimal Number with Range 12. Regex Binary Number http://www.youtube.com/zarigatongy
  3. 3. • Five Integer US ZIP Code ^d{5}$ • Matches 33333 | 55555 | 23445 • Non-Matches abcd | 1324 | as;lkjdf http://www.youtube.com/zarigatongy
  4. 4. Positive Integer ^d+$ • Matches 123 | 10 | 54 • Non-Matches -54 | 54.234 | abc http://www.youtube.com/zarigatongy
  5. 5. • Non zero positive integer ^(0+[1-9]|[1-9])[0-9]*$ • Matches 122, 9992, 000022 • Non-Matches 0, 00000, 1.2, -3.22 http://www.youtube.com/zarigatongy
  6. 6. • Integer with 1000s Separator ^[1-9]{1}[0-9]{0,2}([.,]?[0-9]{3})*$ • Matches 1,000|1.000|1|10|100|1000 • Non-Matches 1,00|1,0|1,,000|.1|10. http://www.youtube.com/zarigatongy
  7. 7. • Hexadecimal Numbers, 0[xX][0-9a-fA-F]+ e.g. ‘0x0f4’, ‘0acdadecf822eeff32aca5830e438cb54a a722e3’, ‘8BADF00D’ http://www.youtube.com/zarigatongy
  8. 8. Allow a string to only contain numbers 0 - 9 and limit length to 50 ^[0-9]{1,50}$ – Matches 00303039 – Non Matches 039330a29 http://www.youtube.com/zarigatongy
  9. 9. 1. Allow Only Number – A[0-9]+Z – ^[0-9]+$ http://www.youtube.com/zarigatongy
  10. 10. • Regex Number Range a. 000..255: ^([01][0-9][0-9]|2[0-4][0-9]|25[0-5])$ b. 0 or 000..255: ^([01]?[0-9]?[0-9]|2[0-4][0-9]|25[05])$ c. 0 or 000..127: ^(0?[0-9]?[0-9]|1[01][0-9]|12[0-7])$ d. 0..999: ^([0-9]|[1-9][0-9]|[1-9][0-9][0-9])$ e. 000..999: ^[0-9]{3}$ f. 0 or 000..999: ^[0-9]{1,3}$ g. 1..999: ^([1-9]|[1-9][0-9]|[1-9][0-9][0-9])$ h. 001..999: ^(00[1-9]|0[1-9][0-9]|[1-9][0-9][0-9])$ i. 1 or 001..999: ^(0{0,2}[1-9]|0?[1-9][0-9]|[1-9][09][0-9])$ j. 0 or 00..59: ^[0-5]?[0-9]$ k. 0 or 000..366: ^(0?[0-9]?[0-9]|[1-2][0-9][0-9]|3[05][0-9]|36[0-6])$ http://www.youtube.com/zarigatongy
  11. 11. • Integer decimal number with an optional plus or minus sign [+-]?b[0-9]+b http://www.youtube.com/zarigatongy
  12. 12. • comma as the thousand separator and the dot as the decimal separator ^[0-9]{1,3}(,[0-9]{3})*.[0-9]+$ http://www.youtube.com/zarigatongy
  13. 13. • Hexadecimal Number With Range • 0 to FFFF ^([1-9a-f][0-9a-f]{1,3}|[0-9a-f])$ • 1 to 366 ^(16[0-9a-e]|1[0-5][0-9a-f]|[1-9a-f][0-9a-f]?)$ • 0 to 255 ^[1-9a-f]?[0-9a-f]$ • ASCII codes ^(7[0-9a-e]|[2-6][0-9a-f])$ http://www.youtube.com/zarigatongy
  14. 14. More Protocol Tutorials • • • • • • • • SSL Protocol Click here DHCPv6 Protocol Click Here CHAP Protocol Click Here ISCSI Protocol Tutorial Click Here BGP Tutorial Click Here RADIUS Protocol Click Here PPP Protocol Click Here PPPoE Protocol Click Here http://youtube.com/zarigatongy

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