Regular Expressions 101

Group 1(\[tool\.poetry](?:\n(?!\[[^][]*]).*)*\nname = ")

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

toolthe literal text tool (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

poetry]the literal text poetry] (case sensitive)

Non-Capturing Group(?:\n(?!\[[^][]*]).*)*

*repeats the group contents below any number of times:

\na line-feed (newline) character (ASCII 10)

Negative Lookahead(?!\[[^][]*])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^][]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

.*any Unicode character (except for line terminators), repeated any number of times

\na line-feed (newline) character (ASCII 10)

name = "the literal text name = " (case sensitive)

Negated Character Class[^"\n]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\na line-feed (newline) character (ASCII 10)

Positive Lookahead(?=")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\[tool\.poetry](?:\n(?!\[[^][]*]).*)*\nname = ")[^"\n]*(?=")

New

[tool.poetry]
version = "0.1.0"
description = "python is good"
name = "template-python"
readme = "README.md"
packages =[
    {include="projectname"}
]

[tool.poetry.dependencies]
python = ">=3.11,<3.13"


[tool.poetry.group.test.dependencies]
pytest = "^8.0.0"


[tool.pytest.ini_options]
pythonpath = "."
addopts = ["-v", "-s", "--import-mode=importlib"]
name = "hello"

Substitution

\1nameofproject