Regular Expression Tips and Tricks

RegEx Tips and Tricks.md

Regular Expression Tips and Tricks

A collection of some of my useful Regular Expression Tips and Tricks.

---

Detect all variants of text

Given the following list of input:

1test2
test2
1test
test
test 123
#test
\test
@test
#$test
\$test

A regex .*[\S]* will match ALL from the input:

1test2
test2
1test
test
test 123
#test
\test
@test
#$test
\$test

---

Detect line containing specific character (eg: $)

Given the following list of input:

1test2
test2
1test
test
test 123
#test
\test
@test
#$test
\$test test

A regex .*[\S]*\$.* will match line containing $ from the input:

#$test
\$test test

---

Match exact whole word

Given the following list of input:

1test2
test2
1test
test
test 123

A regex \btest\b will match the exact word from the input:

test

---