Regular Expressions 101

Explanation

Pro

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

Group 1(CATCH_)?

?repeats the group contents below at most once:

CATCH_the literal text CATCH_ (case sensitive)

Group 2(TEMPLATE_)?

?repeats the group contents below at most once:

TEMPLATE_the literal text TEMPLATE_ (case sensitive)

Group 3(TEST_CASE_METHOD|SCENARIO|TEST_CASE)

1st AlternativeTEST_CASE_METHOD

TEST_CASE_METHODthe literal text TEST_CASE_METHOD (case sensitive)

2nd AlternativeSCENARIO

SCENARIOthe literal text SCENARIO (case sensitive)

3rd AlternativeTEST_CASE

TEST_CASEthe literal text TEST_CASE (case sensitive)

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[ \t\n]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^\"]*

*matches any number of characters outside the set below:

\"the literal " (34₁₀ / 42₈ / 22₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[ \t\n]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

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

Group 4(,[ \t\n]*\"[^\"]*\")?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[ \t\n]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^\"]*

*matches any number of characters outside the set below:

\"the literal " (34₁₀ / 42₈ / 22₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 5(,[ \t\n]*[^,\)]*)*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[ \t\n]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

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

Negated Character Class[^,\)]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)+the literal ) (41₁₀ / 51₈ / 29₁₆) , repeated at least once

Character Class[ \t\n]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

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

\{+the literal { (123₁₀ / 173₈ / 7B₁₆) , repeated at least once

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

Group 6(//[^\n]*[Tt][Ii][Mm][Ee][Oo][Uu][Tt][ \t]*[0-9]+)*

*repeats the group contents below any number of times:

//the literal text //

Negated Character Class[^\n]*

*matches any number of characters outside the set below:

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

Character Class[Tt]

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case sensitive)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

Character Class[Ii]

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

Character Class[Mm]

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

Character Class[Ee]

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Character Class[Oo]

Character Class[Uu]

Character Class[Tt]

Character Class[ \t]*

Character Class[0-9]+

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

[ \t]*(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\([ \t\n]*\"[^\"]*\"[ \t\n]*(,[ \t\n]*\"[^\"]*\")?(,[ \t\n]*[^,\)]*)*\)+[ \t\n]*\{+[ \t]*(//[^\n]*[Tt][Ii][Mm][Ee][Oo][Uu][Tt][ \t]*[0-9]+)*

New

// TEST_CASE( test name [, tags ] )
TEST_CASE("test name")
{
}
TEST_CASE("test name", "[tag]")
{
}
# SCENARIO( scenario name [, tags ] )
SCENARIO("test name")
{
}
SCENARIO("test name", "[tag]")
{
}

// Type parametrised test cases
// TEMPLATE_TEST_CASE( test name , tags, type1, type2, ..., typen )
TEMPLATE_TEST_CASE( "vectors can be sized and resized", "[vector][template]", int, std::string, (std::tuple<int,float>) )
{
}

// TEMPLATE_PRODUCT_TEST_CASE( test name , tags, (template-type1, template-type2, ..., template-typen), (template-arg1, template-arg2, ..., template-argm) )
TEMPLATE_PRODUCT_TEST_CASE("A Template product test case", "[template][product]", (std::vector, Foo), (int, float))
{
}

// TEMPLATE_LIST_TEST_CASE( test name, tags, type list )
TEMPLATE_LIST_TEST_CASE("Template test case with test types specified inside std::tuple", "[template][list]", MyTypes)
{
}

// Signature based parametrised test cases
// TEMPLATE_TEST_CASE_SIG( test name , tags, signature, type1, type2, ..

Extraction

// TEST_CASE( test name [, tags ] )
TEST_CASE("test name")
{
}
TEST_CASE("test name", "[tag]")
{
}
# SCENARIO( scenario name [, tags ] )
SCENARIO("test name")
{
}
SCENARIO("test name", "[tag]")
{
}

// Type parametrised test cases
// TEMPLATE_TEST_CASE( test name , tags, type1, type2, ..., typen )
TEMPLATE_TEST_CASE( "vectors can be sized and resized", "[vector][template]", int, std::string, (std::tuple<int,float>) )
{
}

// TEMPLATE_PRODUCT_TEST_CASE( test name , tags, (template-type1, template-type2, ..., template-typen), (template-arg1, template-arg2, ..., template-argm) )
TEMPLATE_PRODUCT_TEST_CASE("A Template product test case", "[template][product]", (std::vector, Foo), (int, float))
{
}

// TEMPLATE_LIST_TEST_CASE( test name, tags, type list )
TEMPLATE_LIST_TEST_CASE("Template test case with test types specified inside std::tuple", "[template][list]", MyTypes)
{
}

// Signature based parametrised test cases
// TEMPLATE_TEST_CASE_SIG( test name , tags, signature, type1, type2, ..