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  • 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
Processing...

Test String

Substitution
Processing...

Code Generator

Generated Code

# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression. sed -E 's/\R(?!Module Statements,)/ /gm;t' <<< "Module Statements,Module,Collection of primitive building blocks and instances of other modules that comprise a network and or instrument. Two types handoff or internal,A redefinition of a module_def shall overwrite a previously defined module_def having the same module_name within the same nameSpace_name.,6.4.5.a), Module Statements,,,A module_def shall have at least one port_def unless it is the top module and contains an AccessLink statement,6.4.5.b), Module Statements,,,\"The following objects shall have unique names within a module_def: port_name ? scanRegister_name ? dataRegister_name ? one_hot_scan_group_name ? scanMux_name ? dataMux_name ? clockMux_name ? one_hot_data_group_name ? logicSignal_name ? alias_name\",6.4.5.c), Module Statements,,,\"The following objects shall have unique names within a module_def: instance_name ? scanInterface_name\",6.4.5.d), Module Statements,,,\"An inputPort_name shall be one of the following scanInPort_name ? shiftEnPort_name ? captureEnPort_name ? updateEnPort_name ? dataInPort_name ? selectPort_name ? resetPort_name ? tmsPort_name ? tckPort_name ? clockPort_name ? trstPort_name ? addressPort_name ? writeEnPort_name ? readEnPort_name \",6.4.5.e), Module Statements,,,\"An outputPort_name shall be one of the following: ? scanOutPort_name ? dataOutPort_name ? toShiftEnPort_name ? toUpdateEnPort_name ? toCaptureEnPort_name ? toSelectPort_name ? toResetPort_name ? toTckPort_name ? toTmsPort_name ? toClockPort_name ? toTrstPort_name ? toIRSelectPort_name\",6.4.5.f), Module Statements,,,Multiple inputPort_name port functions that are of type vector_id may share the same SCALAR_ID as long as the indexes form a contiguous range and every index range is of the same either ascending or descending type.,6.4.5.g), Module Statements,,,Multiple outputPort_name port functions that are of type vector_id may share the same SCALAR_ID as long as the indexes form a contiguous range and every index range is of the same either ascending or descending type.,6.4.5.h),"

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 SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html