Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • 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

/
/
gm

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(^[A-Za-z \\/]+[ ,])( [A-Z0-9- ]+)[ ][-][ ]\\b[0-9-]{3,}\\b|(^[A-Za-z \\/]+[ ,])( [A-Z0-9- ]+)[ ][-][ ]|(^[A-Za-z \\/]+[ ,])[A-Z0-9-\\/]+[ ]|(^[A-Za-z \\/]+[ ,])( [A-Z]+ [0-9A-Za-z]+)[ ][-][ ]"; final String string = "Galtronics, 62-29-03 - Swivel Mounting Bracket For PEAR Panel Antennas Wall & Pole Installation\n" + "Microlab/FXR, D2-83FE - 2-way Splitter, 617-5925Mhz\n" + "Microlab, D2-J12 - 698-2700 2-Way Low PIM Splitter\n" + "Microlab, JA-05TN - 0.141in Low PIM Cable\n" + "JMA Wireless, JMA-4M4F-14S-3 - Jumper, 4.3‐10 Male ‐ 4.3‐10 Female, 14S cable, 3 feet; for diplexer output\n" + "Galtronics, PEAR M5277i - 4.3-10 DIN - Directional Dual Polarized MIMO Outdoor/In-Building Antenna, Port 1 and 2: 698-2700 MHz, 2x 4.3-10 DIN Female with Cable - P/N: 02130261-05277\n" + "JMA Wireless, SX08FRO128-01 - 8 Port Directional MIMO Venue Panel\n" + "JMA Wireless, TRL7S8A19AWAS - RU Quad Band 31dBm AC Powered WDM SMF SC-APC\n" + "JMA Wireless, TRLOPK-4 - Outdoor Protection Kit IP66 for Low power RUs 4.3\n" + "JMA Wireless T7S8SC8A19AWEWVAS- RU 5 BAND 700LTE-SMR800 COMMER AMPS850-PCS1900-AWS3 VHP AC POWER WDM SMF SC\n" + "JMA Wireless, TSC2W-U - 2-way Splitter/Combiner 698-2690MHz\n" + "No Name, Wooden Crate - 2 Band Mount 13 1/2 x 17\n" + "No Name, Wooden Crate - 6 Band Mount 15 x 17\n" + "JMA Wireless, UPL-DM-12 - 7-16 DIN Male Connector, 1/2\" Plenum\n" + "JMA Wireless TNF-8A-UL/R Teko Notch Filter: pass band AMPS850-UL, stop band PS800-DL\n" + "Microlab DN-44FE Low PIM 698-2700MHz 4.8dB Coupler (4.3-10 F)"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html