Regular Expressions 101

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  • All Tokens
  • Common Tokens
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  • Anchors
  • Meta Sequences
  • Quantifiers
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  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
g

Test String

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"Android (\d+)[._](\d+)[._]?(\d+)?" test_str = ("Mozilla/5.0 (Linux; Android 5.1.1; HUAWEI P7-L07 Build/HuaweiP7-L07) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100431\n" "Mozilla/5.0 (Linux; Android 8.0.0; LG-H930 Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.93 Mobile Safari/537.36 Zalo android/12100476\n" "Mozilla/5.0 (Linux; Android 9.0; F11 Pro Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 9; SM-A505F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; Nova i6 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; Mobiistar_LAI_Yuna_C Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.1; U2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 8.1; U2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 8.1; U2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 8.1; U2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; BV6000S Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; U2 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; Nova i6 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_4 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G61 Zalo iOS / 317\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_4 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G61 Zalo iOS / 317\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_4 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G61 Zalo iOS / 317\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_4 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G61 Zalo iOS / 317\n" "Mozilla/5.0 (Linux; Android 5.1.1; SM-G361H Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 9; CPH1989 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; Nova i6 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_6 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Mobile/13G37 Zalo iOS / 320\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_6 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Mobile/13G37 Zalo iOS / 320\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_6 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Mobile/13G37 Zalo iOS / 320\n" "Mozilla/5.0 (Linux; Android 5.1; F7 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100429\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1.1; vivo Y31A Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; R7sf Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; gxq6580_weg_l Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100468\n" "Mozilla/5.0 (Linux; Android 5.1; HUAWEI TIT-U02 Build/HUAWEITIT-U02) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.1; MIONE 8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.1; MIONE 8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.1; MIONE 8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.1; MIONE 8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; A33w Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; A37f Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; 1201 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; 1201 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; 1201 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; 1201 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0; A9s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0; A9s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0; A9s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0; A9s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1.1; vivo X7Plus Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; Lenovo A2010-a Build/LMY47D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.136 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (iPhone; CPU iPhone OS 13_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Zalo iOS / 320\n" "Mozilla/5.0 (Linux; Android 9.0; SM-A70 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100441\n" "Mozilla/5.0 (Linux; Android 6.0; ZIP 56 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0; ZIP 56 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.1.0; A20 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1.1; vivo X7 Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.0; SM-N9600 Build/MMB29K) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0.1; MI 5s Build/MXB48T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 5.1; F5 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.1.0; vivo 1820 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.1.0; RMX1811 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 7.1.1; SM-J250F Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 8.1.0; SM-J260G Build/M1AJB; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 Zalo android/12100480\n" "Mozilla/5.0 (Linux; Android 6.0.1; CPH1613 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0.1; CPH1613 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0.1; CPH1613 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 6.0.1; CPH1613 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 Zalo/1.0\n" "Mozilla/5.0 (Linux; Android 5.1; N526 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Zalo android/12100480") matches = re.finditer(regex, test_str) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html