[regex] bash, extract string before a colon

INPUT='ubuntu:x:1000:1000:Ubuntu:/home/ubuntu:/bin/bash'
SUBSTRING=$(echo $INPUT| cut -d: -f1)
echo $SUBSTRING

Examples related to regex

• Why my regexp for hyphenated words doesn't work? • grep's at sign caught as whitespace • Preg_match backtrack error • regex match any single character (one character only) • re.sub erroring with "Expected string or bytes-like object" • Only numbers. Input number in React • Visual Studio Code Search and Replace with Regular Expressions • Strip / trim all strings of a dataframe • return string with first match Regex • How to capture multiple repeated groups?

Examples related to string

• How to split a string in two and store it in a field • String method cannot be found in a main class method • Kotlin - How to correctly concatenate a String • Replacing a character from a certain index • Remove quotes from String in Python • Detect whether a Python string is a number or a letter • How does String substring work in Swift • How does String.Index work in Swift • swift 3.0 Data to String? • How to parse JSON string in Typescript

Examples related to bash

• Comparing a variable with a string python not working when redirecting from bash script • Zipping a file in bash fails • How do I prevent Conda from activating the base environment by default? • Get first line of a shell command's output • Fixing a systemd service 203/EXEC failure (no such file or directory) • /bin/sh: apt-get: not found • VSCode Change Default Terminal • Run bash command on jenkins pipeline • How to check if the docker engine and a docker container are running? • How to switch Python versions in Terminal?

Examples related to sed

• Retrieve last 100 lines logs • How to replace multiple patterns at once with sed? • Insert multiple lines into a file after specified pattern using shell script • Linux bash script to extract IP address • Ansible playbook shell output • remove white space from the end of line in linux • bash, extract string before a colon • invalid command code ., despite escaping periods, using sed • RE error: illegal byte sequence on Mac OS X • How to use variables in a command in sed?

Examples related to substring

• Go test string contains substring • How does String substring work in Swift • Delete the last two characters of the String • Split String by delimiter position using oracle SQL • How do I check if a string contains another string in Swift? • Python: Find a substring in a string and returning the index of the substring • bash, extract string before a colon • SQL SELECT everything after a certain character • Finding second occurrence of a substring in a string in Java • Select query to remove non-numeric characters